The company had posted net profit of Rs 188.64 crore in the same period a year ago.
The revenue from operations declined by about 3 per cent to Rs 963.12 crore during the reported quarter from Rs 992.65 crore in the same period a year ago.
For the year ended March, 2017, MTNL's net loss widened to Rs 2,963.05 crore from Rs 1,945.86 crore at the end of previous fiscal.
The annual income of MTNL also declined by 3.6 per cent to Rs 3,654.69 crore for 2016-17 from Rs 3,793.89 crore at the end of 2015-16.