Reliance Industries today said independent assessment of 2P reserves for the D1 & D3 discoveries in KGD6 is estimated at 11.3 trillion cubic feet (TCF), which is almost double the earlier estimate. "The revised estimates of reserves have enhanced the production plateau from 40 MMSCMD to 80 MMSCMD. RIL has submitted commerciality proposal for oil discovery in MA01 well of KGD6, and is awaiting regulatory approvals," an official release said.On Reliance Retail, the release said a total of 22 retail stores were operational during the quarter ended December 31, 2006.