GAIL (India) Limited on Friday reported a 46% year-on-year decline in standalone profit at ₹1,537 crore for the September quarter against ₹2,862.95 crore in the same quarter last fiscal. Its revenue from operations surged by 78% year-on-year to ₹38,479 crore. Sequentially, revenue gained 2.4% from June quarter's ₹37,562 crore. At 3:12 pm, its stock was trading 1.99% lower on BSE.