The S&P BSE Sensex and NSE Nifty 50 surged, led by gains in Reliance Industries. The index bellwether rose as much as 4.05 per cent to a fresh record high of Rs. 1,571 after its telecom wing said it will also raise tariffs of telecom offerings a day after Bharti Airtel and Vodafone Idea announced plans of raising tariffs from December. Tata Consultancy Services, Larsen & Toubro, IndusInd Bank, Bharti Airtel, ONGC and ICICI Bank also contributed to the gain in the benchmark indices. The Sensex rose as much as 346 points to hit a fresh record high of 40,816 and Nifty 50 index reclaimed its important psychological level of 12,000.