(EnergyAsia, July 19) — Gas Authority India Limited (GAIL) said its April-June after-tax profit rose 22% to Rs5.92 billion while revenue surged 24% to Rs40.78 billion. Profit before tax was up 17% to Rs8.52 billion. (US$1=Rs45).   The company said it has provided for Rs2.5 billion as its share of subsidy payments to the government…