(EnergyAsia, June 16) — India’s seven state-owned oil companies had a tough fiscal 2004, reporting a 24.6% drop in aggregate net profit to Rs 91,110 million. Revenue was up 22.4% to Rs 3,011,700 million. (US$1=Rs44).   Indian Oil Corporation (IOC), Hindustan Petroleum Corporation Ltd (HPCL), Bharat Petroleum Corporation Ltd (BPCL), IBP, Bongaigaon Refinery, Kochi Refineries…