The logo of Oil and Natural Gas Corp's (ONGC) is pictured along a roadside in Ahmedabad, India, September 6, 2016. REUTERS/Amit Dave/File Photo Purchase Licensing Rights, opens new tab.

Global energy major BP has pledged to lift oil production by 44% and gas output by 89% from India's largest field off its west coast, under a decade-long contract, according to block operator Oil ...