Bharti Airtel Ltd gained 2.23% today to trade at Rs 309.45. The S&P BSE Telecom index is up 0.77% to quote at 963.19. The index is down 3.15 % over last one month. Among the other constituents of the index, Vodafone Idea Ltd increased 1.43% and Tata Communications Ltd added 0.12% on the day. ...read more