Petroleum & Gas Workers’ Federation of India (PGWFI) is the largest independent federation of trade unions of oil and gas workers of India. It was established in 2005 at Haldia, West Bengal. Trade Unions of permanent and contract workers of both up-stream, downstream and oil marketing companies(OMC) are representing by the T.Us of this federation viz. ONGCL, OIL, IOCL, BPCL, HPCL, MRPL, NRL,CPCL etc. About 48 oil & gas trade unions are affiliated to this federation having membership strength of 70 thousand. PGWFI has also well linked with TUI-Energy, WFTU and other trade unions of France (CGT), Brazil, Venezuela, Italy, Greece, Bangladesh, China, Iran, African Trade Unions and many others. The main object of the federation is to work unitedly for the benefits of the workers, development of the oil and gas industries and to safe public sector oil companies from the disinvestment.