The top three fixed line players Bharat Sanchar Nigam Limited, Mahanagar Telephone Nigam Limited and Bharti Airtel reported a revenue decline.
Market leader Bharti Airtel added the maximum 17.22 lakh (1.72 million) new users during the month to take its base to 19.65 crore (196.5 million) at the end of November.
'The announcement has come too late. This should have been done years ago.'
Markets snapped two-day losing streak and ended flat with a positive bias on Tuesday as gains in auto shares helped offset losses in IT majors.
For FY16, MTNL's standalone net loss was over Rs 2,000 crore.