Vodafone Idea, which is facing a huge liability of unpaid statutory dues of past, bought spectrum worth Rs 1,993.40 crore.
Bharti Airtel and Reliance Jio were the only gainers of new customers in December
Revenue from operations declined by 1.7% to Rs 10,894 crore during the reported quarter from Rs 11,089.4 crore in the same quarter a year ago.
Telecom stocks were trading in red, with the S&P BSE Telecom index decreasing 21.63 points or 1.47% at 1446.49 at 13:48 IST.