Equity benchmark indices showed resilience amid resurgence in COVID-19 cases and closed half a per cent higher on April 15 led by pharma and financial scrips. Investors tracked the updates on the pace of vaccination and prediction of a normal monsoon season across the country to gauge the prospects of economic recovery. The BSE SandP Sensex closed 260 points or 0.53 per cent higher at 48,804 while the Nifty 50 edged higher by 77 points or 0.53 per cent to 14,581. Sectoral indices at the National Stock Exchange were mixed with Nifty pharma up by 1.4 per cent, metal by 1.3 per cent, financial service by 1.1 per cent and private bank by 0.8 per cent. But Nifty auto and PSU bank fell by 1.3 per cent each. Among stocks, IT software major Tata Consultancy Services was up by 3.9 per cent to Rs 3,227 per share while Wipro jumped by 3.5 per cent to Rs 433.70.