ONGC Tripura Power Company: ONGC Tripura Power Company Ltd (OTPC) is a joint venture which was formed in September 2008 between ONGC, Infrastructure Leasing and Financial Services Limited and the Government of Tripura.
ONGC Petro additions Limited (OPaL), a multi billion joint venture company was incorporated in 2006, as a Public Limited Company under the companies Act, 1956, promoted by Oil and Natural Gas Corporation (ONGC) and co-promoted by GAIL and GSPC.