What is the common examiner trap about Science & Tech in UPSC exams?

Examiners may confuse hydrogen fuel cell trains with hydrogen combustion engines or battery electric trains. Also, they might swap the power (2400 kW) or speed (75 kmph) with other train types. Remember: this is the world's longest and most powerful hydrogen train on broad gauge, but not the fastest. Trap could also ask about 'diesel-powered' vs 'hydrogen-powered' DEMU.

What should UPSC aspirants remember about Science & Tech for Prelims?

1. Target this Data: Train composition: 10 cars (2 driving power cars of 1200 kW each, 8 passenger cars); total power 2400 kW; max speed 75 kmph. 2. Target this Nodal Body: Railway Board (under Ministry of Railways) approved the introduction on May 22, 2026. 3. Target this Legal Point: Not applicable; but note approval process: RDSO application -> Chief Commissioner of Railway Safety -> Railway Board sanction.

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News 17 of 22

Indian Railways Trials World’s Longest & Most Powerful 10-Car Hydrogen Train on Broad Gauge at 75 kmph

Q: Which body under the Ministry of Railways approved the introduction of India's first hydrogen-powered trainset on the Jind-Sonipat section?

Railway Board, The article states that the Railway Board (RB) communicated its approval in a letter dated May 22, 2026. RDSO and Northern Railway were involved in the process but the final sanction was given by the Railway Board, the apex policy body of Indian Railways.

Q: Consider the following statements regarding India's first hydrogen train: 1. The trainset is the world's longest and most powerful hydrogen train on the broad gauge platform. 2. The train will operate at a maximum speed of 100 kmph on the Jind-Sonipat section. 3. The trainset produces zero CO2 emissions and only water vapor. Which of the statements given above is/are correct?

Both 1 and 3, Statement 1 is correct as the article explicitly says 'world's longest (10 coaches) and most powerful (2400 kW) Hydrogen Train-set on Broad Gauge platform.' Statement 2 is incorrect; the maximum speed is 75 kmph, not 100 kmph. Statement 3 is correct: 'Zero CO2 emissions; only emission is water vapour.' So option C is correct.

Q: What is the maximum operating speed of India's first hydrogen train as approved by the Railway Board for the Jind-Sonipat section?

75 kmph, The Railway Board's letter cited in the article specifies the maximum speed as 75 kmph over the dedicated section (Jind-Sonipat) of Northern Railway. The close distractor 90 kmph is typical for passenger trains, but this hydrogen train is limited to 75 kmph for the trial.

Q: What is the primary environmental benefit of using hydrogen fuel cell technology in the new Indian Railways trainset?

Complete elimination of CO2 emissions, with only water vapor as exhaust, The article explicitly states 'Zero CO2 emissions; only emission is water vapour.' While hydrogen trains may also reduce noise, the primary environmental benefit is elimination of carbon emissions. Hydrogen fuel cells produce electricity through an electrochemical reaction, with water as the only by-product, making them a key green mobility solution.

Science & Tech Infrastructure EnvironmentHIGH

Target:UPSC GS-IIIMPSCSSC GATeachingPrelims HighMains MediumStatic GK Link

27 Jun 2026

~2 min

Source: Indian Express

Key Data:10-car trainset2400 kW75 kmphWorld's longest and most powerful hydrogen trainZero CO2 emissionsMay 22, 2026 approval

Bodies:Indian RailwaysRailway BoardRDSONorthern Railway

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~2 min · Quick mode

What This Article Covers

1.Trial run of India’s first hydrogen train conducted between Delhi and Jind after earlier trial on Sonipat-Jind section. Railway Board approved the 10-car trainset on May 22, 2026.

2.The trainset comprises two 1200 kW driving power cars (total 2400 kW) and eight passenger cars. It will operate at a maximum speed of 75 kmph on the Jind-Sonipat section.

3.Key differentiator: World’s longest and most powerful hydrogen train on broad gauge; zero CO₂ emissions (only water vapor). Designed and developed in India under Atmanirbhar Bharat.

The Big Picture

Prelims · HighMains · Medium

Indian Railways successfully conducted a trial run of India’s first hydrogen train between Delhi and Jind. This 10-car trainset is the world’s longest and most powerful (2400 kW) hydrogen train on broad gauge, producing zero CO₂ emissions. India joins Germany, Sweden, Japan, and China in operating hydrogen-powered trains, showcasing Atmanirbhar Bharat in green rail technology.

Exam Lens

Quick Exam Facts From News

Train Length10 coaches (world's longest)

Total Power2400 kW (2 x 1200 kW)

Max Speed75 kmph

Approval DateMay 22, 2026

RouteJind - Sonipat (Northern Railway)

EmissionZero CO₂, only water vapor

1-Minute Revision

›Train Length: 10 coaches (world's longest)
›Total Power: 2400 kW (2 x 1200 kW)
›Target this Data: Train composition: 10 cars (2 driving power cars of 1200 kW each, 8 passenger cars); total power 2400 kW; max speed 75 kmph.
›Target this Nodal Body: Railway Board (under Ministry of Railways) approved the introduction on May 22, 2026.
›Target this Legal Point: Not applicable; but note approval process: RDSO application -> Chief Commissioner of Railway Safety -> Railway Board sanction.

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News Snapshot

🚂

Trial Run Conducted

Indian Railways tested the country’s first hydrogen train on the Delhi-Jind route after earlier trials on the Sonipat-Jind section. Emergency braking and oscillation were evaluated.

🏆

World Record Features

The 10-car trainset is the world’s longest and most powerful hydrogen train on broad gauge, with a total power of 2400 kW and max speed of 75 kmph.

🌍

Green Mobility Push

Hydrogen fuel cell technology produces zero CO₂ emissions; only water vapor is released. India joins an elite group of nations (Germany, Sweden, Japan, China) with hydrogen trains.

Detailed Analysis & Strategic Depth

Context / Background

Hydrogen trains are emerging globally as a zero-emission alternative for non-electrified rail routes. Germany launched the world’s first hydrogen train in 2018 (Coradia iLint). India’s trial aligns with the National Hydrogen Mission and the goal of net-zero emissions by 2070. The trainset is designed and developed indigenously, supporting Atmanirbhar Bharat.

Core Analysis & Implications

This trial run signals Indian Railways’ entry into green hydrogen mobility. With 10 coaches and 2400 kW power, it surpasses existing global hydrogen trains in capacity. The route (Jind-Sonipat, 75 kmph) is dedicated, indicating phased deployment. The zero CO₂ emissions and only water vapor output make it environmentally significant. Maintenance at Shakurbasti and approval by Railway Board/RDSO show institutional readiness.

Future Outlook / Way Forward

Commercial launch is imminent after completion of safety assessments. Success could lead to deployment on other non-electrified sections, reducing diesel consumption. Challenges include hydrogen production, storage, and refueling infrastructure. This development will be a key topic for UPSC Science & Tech and Environment sections, especially for questions on green hydrogen applications.

Key Facts at a Glance

Train Length10 coaches (world's longest)

Total Power2400 kW (2 x 1200 kW)

Max Speed75 kmph

Approval DateMay 22, 2026

RouteJind - Sonipat (Northern Railway)

EmissionZero CO₂, only water vapor

You've read the full analysis. Now test your understanding.

Practice exam-style questions based on this article.

Q1Static LinkageEasyUPSC, SSC, State PSC

Which body under the Ministry of Railways approved the introduction of India's first hydrogen-powered trainset on the Jind-Sonipat section?

Q2Statement-basedHardUPSC, SSC

Consider the following statements regarding India's first hydrogen train:

1. The trainset is the world's longest and most powerful hydrogen train on the broad gauge platform.

2. The train will operate at a maximum speed of 100 kmph on the Jind-Sonipat section.

3. The trainset produces zero CO2 emissions and only water vapor.

Which of the statements given above is/are correct?

Q3Data-centricMediumUPSC, Banking, SSC

What is the maximum operating speed of India's first hydrogen train as approved by the Railway Board for the Jind-Sonipat section?

Q4Application/ImpactMediumUPSC, SSC, Banking

What is the primary environmental benefit of using hydrogen fuel cell technology in the new Indian Railways trainset?

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Indian Railways Trials World’s Longest & Most Powerful 10-Car Hydrogen Train on Broad Gauge at 75 kmph

Exam Lens

Quick Exam Facts From News

1-Minute Revision

News Snapshot

Trial Run Conducted

World Record Features

Green Mobility Push

Detailed Analysis & Strategic Depth

Context / Background

Core Analysis & Implications

Future Outlook / Way Forward

Prelims Flashpoints

Key Facts at a Glance