India, May 9 -- India's State-run oil marketing companies have bled an estimated Rs 30,000 crore in losses since mid-March as they kept fuel and LPG supplies flowing without raising retail prices despite facing an energy disruption that is bigger than all previous crises combined.

Indian Oil Corporation Ltd (IOC), Bharat Petroleum Corporation Ltd (BPCL) and Hindustan Petroleum Corporation Ltd (HPCL) have maintained uninterrupted supplies of petrol, diesel, LPG, aviation turbine fuel and other petroleum products since the start of the West Asia conflict, without raising retail prices despite a more than 50 per cent surge in input costs.

Their supply networks were stretched to the limit, as panic buying triggered a sharp spike in demand a...