Shares of state-owned ONGC on Monday surged over 3 per cent, buoyed by the company's acquisition of the government's entire 51.11 per cent stake in oil refiner HPCl. On January 20, ONGC announced the acquisition of government's entire 51.11 per cent stake in oil refiner HPCl for Rs 36,915 crore, paying a premium of over 10 per cent. Shares of ONGC closed the day 3.28 per cent higher at Rs 199.95 on the BSE. During the day, the stock jumped 6.40 per cent to Rs 206. On the NSE, the shares surged 3.74 per cent to end at Rs 200.95.