After the submission of winning bid by GAIL, Essar Oil & Gas E&P has agreed to supply 2.3 mmscmd of its entire coal bed methane (CBM) production from the Raniganj project in West Bengal, India. The gas sale and purchase agreement (GSPA) has a term of 15 years. In its bid, GAIL offered the payment of gas prices associated to the average daily price of three months of Brent crude.