State-run oil marketing company Hindustan Petroleum Corp Ltd reported a 31 per cent jump in March-quarter net profit on Friday, beating street estimates, as income from operations grew. Net profit rose to Rs 1,819 crore in the fourth quarter ended March, from Rs 1, 388 crore a year earlier, the company said in a statement. Total income from operations climbed 21.7 per cent to Rs 59,183 crore. Analysts on average expected a profit of Rs 1,217 core for the quarter, according to Thomson Reuters data. HPCL shares surged 10 per cent after the results.