India's First LNG-Powered Train Flagged Off from Sabarmati

Union Home and Cooperation Minister Amit Shah flagged off India's first LNG-powered train from Sabarmati station in Ahmedabad on 27 September 2026. The train runs on a dual-fuel system that burns diesel together with liquefied natural gas. Two Driving Power Cars of 1,400 HP each were converted at the Sabarmati Integrated Coaching Depot. LNG can replace up to 40% of diesel use in this arrangement. Railway projects worth more than ₹1,500 crore were also launched, including a ₹700-crore WAG-12 maintenance shed. The item is high-yield for energy, environment and railway questions.

What Happened

On 27 September 2026, Union Home and Cooperation Minister Amit Shah flagged off the country's first LNG-powered train from Sabarmati railway station in Ahmedabad, Gujarat. Gujarat Chief Minister Bhupendra Patel was present. The train works on a dual-fuel system in which liquefied natural gas burns alongside diesel in the same engine. At the same event, railway development projects valued at more than ₹1,500 crore were launched.

When & Where

The flag-off took place on 27 September 2026 at Sabarmati railway station, Ahmedabad, in Gujarat. Sabarmati is a major junction on the Western Railway network and hosts an Integrated Coaching Depot where the conversion work was done. Gujarat is India's principal LNG import gateway, with large regasification terminals on its coast, which makes it a logical place to begin LNG traction trials.

Who Is Involved

Ministry of Railways — owns the project and carried out the dual-fuel conversion.
Union Home and Cooperation Minister Amit Shah — flagged off the train and launched the associated projects.
Gujarat Chief Minister Bhupendra Patel — present at the ceremony.
Sabarmati Integrated Coaching Depot — the facility where the two Driving Power Cars were converted.
Western Railway — the zone on which the train and the associated projects are located.

How It Works

Dual-fuel conversion, not replacement. The existing diesel engine is retained and fitted to accept LNG along with diesel. This avoids scrapping serviceable assets and keeps the conversion cost low.
LNG storage and vaporisation. Natural gas is carried on board in liquefied form because liquefaction shrinks its volume enormously. It is vaporised back to gas before it reaches the engine.
Diesel remains the ignition source. In a dual-fuel engine the gas does not ignite by itself under compression. A small pilot quantity of diesel is injected to start combustion, and the gas burns with it.
Substitution up to 40%. Because diesel is still needed for ignition, LNG can take over only part of the fuel load. In this system LNG can replace up to 40% of diesel consumption.
Cleaner combustion. Natural gas is largely methane and burns with less carbon dioxide, fewer nitrogen oxides and less particulate matter than diesel, which is why the shift reduces local air pollution as well as carbon output.
Cost effect. The saving is estimated at ₹11.9 lakh a year for one Driving Power Car and ₹23.9 lakh a year for an eight-coach rake, so the economics improve as the fleet scales.

Why It Matters

Environmental. Diesel traction is the remaining source of direct carbon emissions on the rail network, and LNG substitution cuts both greenhouse gases and local pollutants.
Economic. Fuel is one of the largest operating costs in rail haulage, and a cheaper fuel improves the cost structure of every route where electrification is not viable.
Energy security. Natural gas diversifies the fuel basket away from imported crude derivatives and supports the wider policy push towards a gas-based economy.
Technological. It builds domestic capability in dual-fuel conversion, which is transferable to road freight, marine transport and stationary power.

Historical Background

Indian Railways has moved steadily away from diesel traction over the past decade, first through mass electrification and then through cleaner fuel trials. Diesel consumption on the network fell from 293 crore litres in 2015-16 to 108 crore litres in 2024-25, a fall driven mainly by the electrification programme. India committed to a national net-zero emissions goal by 2070 at the Glasgow climate conference, and the railway's own decarbonisation effort sits inside that commitment. The LNG train is the next step after electrification, aimed at the sections and services where overhead electric traction is not practical.

Previous Related Events

2015-16 to 2024-25: Railway diesel consumption dropped from 293 crore litres to 108 crore litres as electrification expanded.
Electrification milestone: The broad-gauge network reached 99.6% electrification, against 92% in China, 68% in Spain, 60% in France and 49% in the United Kingdom.
Kavach rollout: The indigenous automatic train protection system was extended to the Sabarmati–Kalol section at a cost of ₹48 crore, alongside the LNG launch.

Static GK Connection

Liquefied Natural Gas: natural gas cooled until it turns liquid, which shrinks its volume dramatically and makes it practical to store and transport. Methane is its main constituent.
Kavach: India's indigenously developed Automatic Train Protection system, designed to apply brakes automatically if a driver fails to respond to a signal or a speed restriction.
WAG-12: a 12,000 HP twin-section electric freight locomotive, among the most powerful freight locomotives operating in India. A dedicated maintenance shed for it was sanctioned at ₹700 crore.
India's net-zero target: India has committed to reaching net-zero emissions by 2070, and transport decarbonisation is one of the main routes to that goal.

India & World Comparison

India's broad-gauge rail network stands at 99.6% electrification, ahead of China at 92%, Spain at 68%, France at 60% and the United Kingdom at 49%. Because electrification is already so advanced in India, the remaining decarbonisation problem is narrower than in most large rail systems and concerns mainly non-electrified services and shunting operations. Several countries have experimented with LNG and hydrogen traction for exactly these residual segments, so India's dual-fuel trial places it within a live global technology race rather than ahead of or behind it.

Future Impact

Fleet expansion: if the two converted Driving Power Cars perform well, conversion can be extended to more rakes, multiplying the annual fuel saving.
Net-zero pathway: LNG traction contributes to India's 2070 net-zero commitment by cutting emissions on services that cannot run on electric traction.
Gas infrastructure: wider LNG use in rail strengthens demand for regasification terminals and gas pipeline networks, particularly in Gujarat.
Safety rollout: the Kavach commissioning on the Sabarmati–Kalol section points to continued extension of automatic train protection across busy corridors.

🔑 Key Points for Revision

India's first LNG-powered train was flagged off on 27 September 2026 at Sabarmati, Ahmedabad.
Union Home and Cooperation Minister Amit Shah flagged it off.
Gujarat Chief Minister Bhupendra Patel attended the event.
The train runs on a dual-fuel system using diesel with liquefied natural gas.
Two Driving Power Cars were converted at the Sabarmati Integrated Coaching Depot.
Each Driving Power Car has a 1,400 HP capacity.
LNG can replace up to 40% of diesel consumption.
Annual saving is ₹11.9 lakh for one Driving Power Car.
Annual saving is ₹23.9 lakh for an eight-coach rake.
Railway projects worth more than ₹1,500 crore were launched the same day.
A WAG-12 maintenance shed worth ₹700 crore was part of the package.
Kavach was commissioned on the Sabarmati–Kalol section at ₹48 crore.
Railway diesel use fell from 293 crore litres in 2015-16 to 108 crore litres in 2024-25.
India's broad-gauge network is 99.6% electrified.
India has committed to net-zero emissions by 2070.

🧠 Concept Link (Static GK Deep Dive)

Core Concept: Liquefied Natural Gas and dual-fuel traction

Definition: LNG is natural gas cooled until it becomes a liquid, which shrinks its volume enough to make storage and transport practical.
Scientific Principle: Natural gas is mainly methane. Methane has a higher hydrogen-to-carbon ratio than diesel, so burning it releases less carbon dioxide for the same energy, along with fewer nitrogen oxides and less particulate matter.
How dual-fuel works: Gas will not self-ignite under compression, so a pilot injection of diesel starts combustion and the gas burns alongside it. This is why substitution is partial rather than complete.
Link to this event: The Sabarmati train uses exactly this arrangement, which is why LNG replaces up to 40% and not all of the diesel.
Origin & History: Indian Railways began cutting diesel dependence through mass electrification, and diesel use fell from 293 crore litres in 2015-16 to 108 crore litres in 2024-25.
Key milestone 1: 27 September 2026 — India's first LNG-powered train flagged off at Sabarmati.
Key milestone 2: Broad-gauge electrification reached 99.6%, leaving only residual services for alternative fuels.
Related Acts / Schemes / Treaties: India's net-zero by 2070 commitment; the national push towards a gas-based economy; the Kavach automatic train protection programme.
Nodal Ministry / Body: Ministry of Railways operates the project; the Ministry of Petroleum and Natural Gas governs the gas supply chain that feeds it.
India-specific relevance: Gujarat hosts India's main LNG import terminals, so rail LNG use can draw on existing regasification and pipeline capacity.
Global comparison: India is 99.6% electrified against China at 92%, Spain at 68%, France at 60% and the United Kingdom at 49%, so its residual diesel problem is smaller than most large networks.
Data point: A single converted Driving Power Car is expected to save ₹11.9 lakh a year in fuel cost.
Common exam angle: Examiners ask what LNG is, why substitution is partial in dual-fuel engines, and which station hosted the first LNG train.
Easy memory hook: "Sabarmati starts it, 1,400 HP runs it, 40% LNG replaces it."

❓ Practice MCQs

Q1. From which railway station was India's first LNG-powered train flagged off? [Easy]

A) Surat

B) Vadodara

C) Sabarmati

D) Rajkot

Answer: C

Explanation: The train was flagged off from Sabarmati station in Ahmedabad on 27 September 2026.

Q2. What is the capacity of each Driving Power Car converted for the LNG train? [Easy]

A) 1,400 HP

B) 700 HP

C) 4,500 HP

D) 12,000 HP

Answer: A

Explanation: Two Driving Power Cars of 1,400 HP each were converted at the Sabarmati Integrated Coaching Depot.

Q3. Up to what share of diesel consumption can LNG replace in this dual-fuel system? [Moderate]

A) 20%

B) 40%

C) 60%

D) 100%

Answer: B

Explanation: In the dual-fuel arrangement LNG can replace up to 40% of diesel consumption.

Q4. The Kavach system commissioned alongside the LNG train launch is best described as which of the following? [Moderate]

A) A signalling-free driverless metro technology

B) A locomotive fuel-injection technology

C) A satellite-based freight tracking platform

D) An indigenous automatic train protection system

Answer: D

Explanation: Kavach is India's indigenously developed automatic train protection system, commissioned here on the Sabarmati–Kalol section at ₹48 crore.

Q5. Railway diesel consumption in India moved between 2015-16 and 2024-25 in which way? [Moderate]

A) From 108 crore litres to 293 crore litres

B) From 293 crore litres to 108 crore litres

C) From 293 crore litres to 200 crore litres

D) It remained unchanged

Answer: B

Explanation: Diesel consumption fell from 293 crore litres in 2015-16 to 108 crore litres in 2024-25.

Q6. Why can LNG not replace diesel completely in the dual-fuel engine used on this train? [Tricky]

A) LNG storage tanks cannot be fitted on a coach

B) LNG produces more carbon dioxide than diesel

C) A pilot quantity of diesel is needed to ignite the gas

D) Indian Railways has banned full gas operation

Answer: C

Explanation: Gas does not self-ignite under compression, so a small diesel pilot injection starts combustion and substitution stays partial.

Q7. The WAG-12 maintenance shed launched along with the LNG train was sanctioned at which cost? [Tricky]

A) ₹700 crore

B) ₹48 crore

C) ₹1,500 crore

D) ₹11.9 lakh

Answer: A

Explanation: The WAG-12 locomotive maintenance shed was sanctioned at ₹700 crore, while the whole package crossed ₹1,500 crore.

Q8. Which of the following countries has the lowest railway electrification share among those compared with India? [Tricky]

A) China

B) Spain

C) France

D) United Kingdom

Answer: D

Explanation: The comparison places the United Kingdom at 49%, below France at 60%, Spain at 68% and China at 92%.

📜 Previous Year Question Style (PYQ)

PYQ 1:

Which gas forms the main constituent of Liquefied Natural Gas?

A) Propane

B) Butane

C) Methane

D) Ethylene

Answer: C

Explanation: Natural gas is predominantly methane, and liquefying it shrinks its volume enough to make storage and transport practical.

PYQ 2:

Consider the following statements about India's first LNG-powered train:

It was flagged off from Sabarmati station in Gujarat.
It runs on a dual-fuel system using diesel along with liquefied natural gas.
Each converted Driving Power Car has a capacity of 12,000 HP.

Which of the above statements is/are correct?

A) 1 only

B) 1 and 2 only

C) 2 and 3 only

D) All of the above

Answer: B

Explanation: Statements 1 and 2 are correct. Statement 3 is wrong because each Driving Power Car is of 1,400 HP; 12,000 HP is the rating of the WAG-12 freight locomotive.

PYQ 3:

Assertion (A): Liquefied natural gas reduces carbon dioxide emissions compared with diesel for the same energy output.

Reason (R): Methane has a higher hydrogen-to-carbon ratio than diesel fuel.

A) Both A and R are true, and R is the correct explanation of A

B) Both A and R are true, but R is not the correct explanation of A

C) A is true but R is false

D) A is false but R is true

Answer: A

Explanation: More of the energy in methane comes from hydrogen rather than carbon, so burning it releases less carbon dioxide per unit of energy, which is precisely why the substitution lowers emissions.

✍️ Mains Answer Pointers

Question 1 (150 words): Assess the significance of India's first LNG-powered train for railway decarbonisation.

The LNG-powered train flagged off at Sabarmati on 27 September 2026 addresses the part of the rail system that electrification cannot reach. India's broad-gauge network is already 99.6% electrified, and diesel consumption has fallen from 293 crore litres in 2015-16 to 108 crore litres in 2024-25. What remains is a residual diesel demand on services and operations where overhead traction is impractical, and that is the gap LNG is meant to fill.

The technology is deliberately incremental. Two Driving Power Cars of 1,400 HP each were converted rather than replaced, and LNG substitutes up to 40% of diesel because a pilot injection of diesel is still needed for ignition. The saving is ₹11.9 lakh a year for one Driving Power Car.

The way forward is to test reliability over a full operating cycle before extending conversion across the coaching fleet.

Question 2 (250 words): Examine how fuel choice, infrastructure and climate commitments interact in the modernisation of Indian Railways.

Indian Railways has pursued decarbonisation along two tracks: changing the traction itself, and changing the fuel where traction cannot change. The first track has gone remarkably far. The broad-gauge network now stands at 99.6% electrification, ahead of China at 92%, Spain at 68%, France at 60% and the United Kingdom at 49%. That effort cut diesel consumption from 293 crore litres in 2015-16 to 108 crore litres in 2024-25.

The second track began visibly on 27 September 2026, when India's first LNG-powered train was flagged off from Sabarmati. The dual-fuel system burns liquefied natural gas alongside diesel, with LNG replacing up to 40% of diesel use, and delivers an estimated saving of ₹23.9 lakh a year for an eight-coach rake. Two Driving Power Cars of 1,400 HP each were converted at the Sabarmati Integrated Coaching Depot.

Infrastructure shapes what is feasible. Gujarat hosts India's principal LNG import and regasification capacity, so beginning the trial there aligns the rolling stock with an existing fuel supply chain rather than requiring a new one. The same event saw railway projects worth more than ₹1,500 crore launched, including a ₹700-crore WAG-12 maintenance shed and Kavach commissioning on the Sabarmati–Kalol section at ₹48 crore, showing that fuel transition is being pursued alongside capacity and safety upgrades.

All of this sits within India's commitment to net-zero emissions by 2070. The balanced view is that LNG is a transition fuel rather than a destination, and the concrete next step is to establish operating reliability before committing the wider fleet to conversion.

⚠️ Examiner Trap

Trap 1: Students confuse the 1,400 HP Driving Power Car with the 12,000 HP WAG-12 locomotive. The correct fact is that each converted Driving Power Car on the LNG train is rated at 1,400 HP, while WAG-12 is the 12,000 HP electric freight locomotive for which a ₹700-crore maintenance shed was launched.
Trap 2: A common wrong assumption is that the train runs entirely on liquefied natural gas. The reality is that it uses a dual-fuel system in which LNG replaces up to 40% of diesel, because a pilot quantity of diesel is still required to ignite the gas.
Trap 3: Many students miss that Kavach is a safety system and not a fuel or traction technology. Always remember that Kavach is India's indigenous automatic train protection system, commissioned here on the Sabarmati–Kalol section at ₹48 crore.

India's First LNG-Powered Train Flagged Off from Sabarmati

What Happened

When & Where

Who Is Involved

Ministry of Railways — owns the project and carried out the dual-fuel conversion.
Union Home and Cooperation Minister Amit Shah — flagged off the train and launched the associated projects.
Gujarat Chief Minister Bhupendra Patel — present at the ceremony.
Sabarmati Integrated Coaching Depot — the facility where the two Driving Power Cars were converted.
Western Railway — the zone on which the train and the associated projects are located.

How It Works

Dual-fuel conversion, not replacement. The existing diesel engine is retained and fitted to accept LNG along with diesel. This avoids scrapping serviceable assets and keeps the conversion cost low.
LNG storage and vaporisation. Natural gas is carried on board in liquefied form because liquefaction shrinks its volume enormously. It is vaporised back to gas before it reaches the engine.
Diesel remains the ignition source. In a dual-fuel engine the gas does not ignite by itself under compression. A small pilot quantity of diesel is injected to start combustion, and the gas burns with it.
Substitution up to 40%. Because diesel is still needed for ignition, LNG can take over only part of the fuel load. In this system LNG can replace up to 40% of diesel consumption.
Cleaner combustion. Natural gas is largely methane and burns with less carbon dioxide, fewer nitrogen oxides and less particulate matter than diesel, which is why the shift reduces local air pollution as well as carbon output.
Cost effect. The saving is estimated at ₹11.9 lakh a year for one Driving Power Car and ₹23.9 lakh a year for an eight-coach rake, so the economics improve as the fleet scales.

Why It Matters

Environmental. Diesel traction is the remaining source of direct carbon emissions on the rail network, and LNG substitution cuts both greenhouse gases and local pollutants.
Economic. Fuel is one of the largest operating costs in rail haulage, and a cheaper fuel improves the cost structure of every route where electrification is not viable.
Energy security. Natural gas diversifies the fuel basket away from imported crude derivatives and supports the wider policy push towards a gas-based economy.
Technological. It builds domestic capability in dual-fuel conversion, which is transferable to road freight, marine transport and stationary power.

Historical Background

Previous Related Events

2015-16 to 2024-25: Railway diesel consumption dropped from 293 crore litres to 108 crore litres as electrification expanded.
Electrification milestone: The broad-gauge network reached 99.6% electrification, against 92% in China, 68% in Spain, 60% in France and 49% in the United Kingdom.
Kavach rollout: The indigenous automatic train protection system was extended to the Sabarmati–Kalol section at a cost of ₹48 crore, alongside the LNG launch.

Static GK Connection

Liquefied Natural Gas: natural gas cooled until it turns liquid, which shrinks its volume dramatically and makes it practical to store and transport. Methane is its main constituent.
Kavach: India's indigenously developed Automatic Train Protection system, designed to apply brakes automatically if a driver fails to respond to a signal or a speed restriction.
WAG-12: a 12,000 HP twin-section electric freight locomotive, among the most powerful freight locomotives operating in India. A dedicated maintenance shed for it was sanctioned at ₹700 crore.
India's net-zero target: India has committed to reaching net-zero emissions by 2070, and transport decarbonisation is one of the main routes to that goal.

India & World Comparison

Future Impact

Fleet expansion: if the two converted Driving Power Cars perform well, conversion can be extended to more rakes, multiplying the annual fuel saving.
Net-zero pathway: LNG traction contributes to India's 2070 net-zero commitment by cutting emissions on services that cannot run on electric traction.
Gas infrastructure: wider LNG use in rail strengthens demand for regasification terminals and gas pipeline networks, particularly in Gujarat.
Safety rollout: the Kavach commissioning on the Sabarmati–Kalol section points to continued extension of automatic train protection across busy corridors.

🔑 Key Points for Revision

India's first LNG-powered train was flagged off on 27 September 2026 at Sabarmati, Ahmedabad.
Union Home and Cooperation Minister Amit Shah flagged it off.
Gujarat Chief Minister Bhupendra Patel attended the event.
The train runs on a dual-fuel system using diesel with liquefied natural gas.
Two Driving Power Cars were converted at the Sabarmati Integrated Coaching Depot.
Each Driving Power Car has a 1,400 HP capacity.
LNG can replace up to 40% of diesel consumption.
Annual saving is ₹11.9 lakh for one Driving Power Car.
Annual saving is ₹23.9 lakh for an eight-coach rake.
Railway projects worth more than ₹1,500 crore were launched the same day.
A WAG-12 maintenance shed worth ₹700 crore was part of the package.
Kavach was commissioned on the Sabarmati–Kalol section at ₹48 crore.
Railway diesel use fell from 293 crore litres in 2015-16 to 108 crore litres in 2024-25.
India's broad-gauge network is 99.6% electrified.
India has committed to net-zero emissions by 2070.

🧠 Concept Link (Static GK Deep Dive)

Core Concept: Liquefied Natural Gas and dual-fuel traction

Definition: LNG is natural gas cooled until it becomes a liquid, which shrinks its volume enough to make storage and transport practical.
Scientific Principle: Natural gas is mainly methane. Methane has a higher hydrogen-to-carbon ratio than diesel, so burning it releases less carbon dioxide for the same energy, along with fewer nitrogen oxides and less particulate matter.
How dual-fuel works: Gas will not self-ignite under compression, so a pilot injection of diesel starts combustion and the gas burns alongside it. This is why substitution is partial rather than complete.
Link to this event: The Sabarmati train uses exactly this arrangement, which is why LNG replaces up to 40% and not all of the diesel.
Origin & History: Indian Railways began cutting diesel dependence through mass electrification, and diesel use fell from 293 crore litres in 2015-16 to 108 crore litres in 2024-25.
Key milestone 1: 27 September 2026 — India's first LNG-powered train flagged off at Sabarmati.
Key milestone 2: Broad-gauge electrification reached 99.6%, leaving only residual services for alternative fuels.
Related Acts / Schemes / Treaties: India's net-zero by 2070 commitment; the national push towards a gas-based economy; the Kavach automatic train protection programme.
Nodal Ministry / Body: Ministry of Railways operates the project; the Ministry of Petroleum and Natural Gas governs the gas supply chain that feeds it.
India-specific relevance: Gujarat hosts India's main LNG import terminals, so rail LNG use can draw on existing regasification and pipeline capacity.
Global comparison: India is 99.6% electrified against China at 92%, Spain at 68%, France at 60% and the United Kingdom at 49%, so its residual diesel problem is smaller than most large networks.
Data point: A single converted Driving Power Car is expected to save ₹11.9 lakh a year in fuel cost.
Common exam angle: Examiners ask what LNG is, why substitution is partial in dual-fuel engines, and which station hosted the first LNG train.
Easy memory hook: "Sabarmati starts it, 1,400 HP runs it, 40% LNG replaces it."

❓ Practice MCQs

Q1. From which railway station was India's first LNG-powered train flagged off? [Easy]

A) Surat

B) Vadodara

C) Sabarmati

D) Rajkot

Answer: C

Explanation: The train was flagged off from Sabarmati station in Ahmedabad on 27 September 2026.

Q2. What is the capacity of each Driving Power Car converted for the LNG train? [Easy]

A) 1,400 HP

B) 700 HP

C) 4,500 HP

D) 12,000 HP

Answer: A

Explanation: Two Driving Power Cars of 1,400 HP each were converted at the Sabarmati Integrated Coaching Depot.

Q3. Up to what share of diesel consumption can LNG replace in this dual-fuel system? [Moderate]

A) 20%

B) 40%

C) 60%

D) 100%

Answer: B

Explanation: In the dual-fuel arrangement LNG can replace up to 40% of diesel consumption.

Q4. The Kavach system commissioned alongside the LNG train launch is best described as which of the following? [Moderate]

A) A signalling-free driverless metro technology

B) A locomotive fuel-injection technology

C) A satellite-based freight tracking platform

D) An indigenous automatic train protection system

Answer: D

Explanation: Kavach is India's indigenously developed automatic train protection system, commissioned here on the Sabarmati–Kalol section at ₹48 crore.

Q5. Railway diesel consumption in India moved between 2015-16 and 2024-25 in which way? [Moderate]

A) From 108 crore litres to 293 crore litres

B) From 293 crore litres to 108 crore litres

C) From 293 crore litres to 200 crore litres

D) It remained unchanged

Answer: B

Explanation: Diesel consumption fell from 293 crore litres in 2015-16 to 108 crore litres in 2024-25.

Q6. Why can LNG not replace diesel completely in the dual-fuel engine used on this train? [Tricky]

A) LNG storage tanks cannot be fitted on a coach

B) LNG produces more carbon dioxide than diesel

C) A pilot quantity of diesel is needed to ignite the gas

D) Indian Railways has banned full gas operation

Answer: C

Explanation: Gas does not self-ignite under compression, so a small diesel pilot injection starts combustion and substitution stays partial.

Q7. The WAG-12 maintenance shed launched along with the LNG train was sanctioned at which cost? [Tricky]

A) ₹700 crore

B) ₹48 crore

C) ₹1,500 crore

D) ₹11.9 lakh

Answer: A

Explanation: The WAG-12 locomotive maintenance shed was sanctioned at ₹700 crore, while the whole package crossed ₹1,500 crore.

Q8. Which of the following countries has the lowest railway electrification share among those compared with India? [Tricky]

A) China

B) Spain

C) France

D) United Kingdom

Answer: D

Explanation: The comparison places the United Kingdom at 49%, below France at 60%, Spain at 68% and China at 92%.

📜 Previous Year Question Style (PYQ)

PYQ 1:

Which gas forms the main constituent of Liquefied Natural Gas?

A) Propane

B) Butane

C) Methane

D) Ethylene

Answer: C

Explanation: Natural gas is predominantly methane, and liquefying it shrinks its volume enough to make storage and transport practical.

PYQ 2:

Consider the following statements about India's first LNG-powered train:

It was flagged off from Sabarmati station in Gujarat.
It runs on a dual-fuel system using diesel along with liquefied natural gas.
Each converted Driving Power Car has a capacity of 12,000 HP.

Which of the above statements is/are correct?

A) 1 only

B) 1 and 2 only

C) 2 and 3 only

D) All of the above

Answer: B

Explanation: Statements 1 and 2 are correct. Statement 3 is wrong because each Driving Power Car is of 1,400 HP; 12,000 HP is the rating of the WAG-12 freight locomotive.

PYQ 3:

Assertion (A): Liquefied natural gas reduces carbon dioxide emissions compared with diesel for the same energy output.

Reason (R): Methane has a higher hydrogen-to-carbon ratio than diesel fuel.

A) Both A and R are true, and R is the correct explanation of A

B) Both A and R are true, but R is not the correct explanation of A

C) A is true but R is false

D) A is false but R is true

Answer: A

✍️ Mains Answer Pointers

Question 1 (150 words): Assess the significance of India's first LNG-powered train for railway decarbonisation.

The way forward is to test reliability over a full operating cycle before extending conversion across the coaching fleet.

Question 2 (250 words): Examine how fuel choice, infrastructure and climate commitments interact in the modernisation of Indian Railways.

⚠️ Examiner Trap

Trap 1: Students confuse the 1,400 HP Driving Power Car with the 12,000 HP WAG-12 locomotive. The correct fact is that each converted Driving Power Car on the LNG train is rated at 1,400 HP, while WAG-12 is the 12,000 HP electric freight locomotive for which a ₹700-crore maintenance shed was launched.
Trap 2: A common wrong assumption is that the train runs entirely on liquefied natural gas. The reality is that it uses a dual-fuel system in which LNG replaces up to 40% of diesel, because a pilot quantity of diesel is still required to ignite the gas.
Trap 3: Many students miss that Kavach is a safety system and not a fuel or traction technology. Always remember that Kavach is India's indigenous automatic train protection system, commissioned here on the Sabarmati–Kalol section at ₹48 crore.