Oil and Natural Gas Corporation Limited (NS:ONGC) which holds a weightage of around 0.79% in Nifty 50 is looking weak on the chart. The company has a market capitalization of INR 2,08,832 crores and trades at a TTM P/E ratio of a mere 4.94. FIIs were seen trimming their stake in the company for the last three quarters, cutting it down from 9.97% in June 2022 to 7.97% by March 2023 end.