Indian Railways
The connection runs back further than the contract. The Kanpur plant was inaugurated in 1956 by Lal Bahadur Shastri, then Union Minister for Railways and Transport. Nine years later, on 21 April 1965, the company contracted to supply the Diesel Locomotive Works at Varanasi — oxygen and acetylene from a plant operated inside the railway complex itself. Rolling stock is built and maintained with gas; freight and passenger mobility follow from it.
Recorded in the Calcutta High Court and in Supreme Court Civil Appeal 4249 of 2007.