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2h 16m
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Railways Part 2
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Chetan Gaurav
UPSC IES | UPSC CSE | GATE QUALIFIED 2016 | Public speaker | YouTuber | Teaching GS | Debator | Loves cooking | Photography

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(5)
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Unacademy user
Rekha Agarwal
3 months ago
Daily we are giving one lesson in mat you start practising
Rekha Agarwal
3 months ago
Added two lessons more today
bengalore metro- namma metro its not namba
Chetan Gaurav
a month ago
Okay.. thanks for correcting me
Hyderabad metro rail corporation also started operating metro since 2018
Dear sir, Japanese Maglev's top speed is 603 km/hr. (As per 2017 data)
Thanks sir for making topic crystal clear.