Reliance Industries has projected 13 per cent drop in output from the nation's biggest gas fields in the KG-D6 basin to 38 million standard cubic meters per day in 2012-13. RIL has stated that natural gas output from Dhirubhai-1 and 3 or D1 and D3 gas fields in the block KG-DWN-98/3 or KG-D6, will be about 38 mmscmd in 2012-13 from current production level of 43-44 mmscmd.