Corporate film of Northern Coalfields Limited, A Coal India Company
36:03
Asia’s biggest open cast coal mine tour | Coal mining process | Gevra, SECL coal mine Chhattisgarh
10:31
Nigahi Coal Mine of NCL - A highly Mechanized, Modern and Mega Coal Mine
27:20
Why Don’t Railroads Need Expansion Joints?
1:19:50
Global Financial Collapse Incoming? Trump, India’s Defiance, and the China-Russia Nexus
8:00
Hindustan Copper Limited – Corporate Film (Hindi)
33:37
Something Strange Happens When You Trust Quantum Mechanics
13:20
Thermal Power Plant | How electricity is generated? | Talwandi Sabo Punjab | Rajat Sain & Roohani
30:40