India's first hydrogen-powered trainset, which completed its oscillation trial, was built by:
- ARail Coach Factory, Kapurthala
- BIntegral Coach Factory, Chennai
- CModern Coach Factory, Rae Bareli
- DBanaras Locomotive Works, Varanasi
Show answer and explanation
Correct answer: (b) Integral Coach Factory, Chennai
Explanation
ICF Chennai built it; the RDSO ran the tests. Germany, Sweden, Japan and China already run hydrogen trains.