oil and gas
India's biggest oil, gas bid round gets 4 bidders; Reliance-bp-ONGC bid together
India's oil, gas exploration offers USD 100 bn opportunity: Hardeep Singh Puri
MAN Industries gets Rs 1,850 cr order from international firm for LNG project
Stock exchanges slap fines on IOC, ONGC, GAIL for failure to meet listing regulations