Top business headlines: ONGC m-cap plunges, crude oil dives, and more

Indian stocks on Monday recorded their worst single-day fall in more than four years, tracking global markets.

From decline of ONGC's market capitalisation, crude oil's free-fall to Yes Bank rescue plan, here are the top news for the evening: 

ONGC's m-cap slips below Rs 1 trn-mark after 15 years on oil price crash

Shares of Oil and Natural Gas Corporation (ONGC) hit an over 15-year low of Rs 78.05, down 12 per cent, on the BSE on Monday as oil plunged over 20 per cent today after top exporter Saudi Arabia launched a price war in response to a failure by leading producers to strike a deal to support energy markets. ONGC has seen its