Energy ONGC share buyback to open January 29, closes February 11 Updated : January 21, 2019 06:26 PM IST ONGC's board had on December 20 approved buyback of 25.29 crore shares for Rs 159 apiece as part of the government plan to get cash-rich PSUs to part with their surplus. The government, which holds 65.64 percent stake in the company, stands to gain about Rs 2,640 crore from tendering some of its shares in the buyback programme. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.