Shares of ONGC tumbled 5.89 per cent, Oil India Ltd lost 4.78 per cent, Reliance Industries Ltd (4.67 per cent) and Petronet LNG (3.51 per cent) on the BSE.
Among others, Cairn India fell by 3.47 per cent, Gail (India) (3.20 per cent), Indian Oil Corporation (1.32 per cent) and BPCL (1.02 per cent).
Led by the sharp fall in these stocks, the BSE oil and gas index ended 4.17 per cent lower at 9,498.37 , taking the biggest hit among the sectoral indices.
Oil prices continued to drop, with the US benchmark contract briefly falling below USD 50 a barrel for the first time in more than five years on concerns about ample global supplies and weakening economic growth.
The BSE 30-scrip index, Sensex, today plummeted by 855 points in its worst crash in five and a half years as stock markets globally went into a tailspin amid speculation about probable exit of Greece from the Euro region and oil prices cracking below the USD 50 per barrel mark on weakening economic growth scenario.