M Ravindran, Managing Director, IGL told NDTV Profit that it has approached BG, Shell and GAIL for natural gas supply as RIL's KG-D6 gas supply to IGL has stopped. He said that rupee depreciation has added to its woes. He further said that reduced price differential between CNG & diesel prices might weigh on volumes. He also spoke on BG's stake sale in Gujarat Gas that the company is eyeing.