Joining the tariff war, state-run MTNL will offer 2GB of 3G data per day and unlimited calling within its network for Rs 319 from April 1. Jio Prime Plans: All You Need To Know

"On its 31st anniversary, MTNL announces new plan from April 1, 2017, which offers 2 GB of 3G data per day and unlimited calling within MTNL network for Rs. 319 for Delhi and Mumbai mobile customers," the company said in a statement.

The plan will remain valid for 28 days after which MTNL customers will have to recharge with the same value for availing benefits. Jio Closes In On 50 Million Paid Users

"This promotional offer is valid for 90 days. MTNL customers will also get 25 minutes of the free call to other networks everyday, and after that, they will be charged 25 paise for a minute phone call," the statement said.

All telecom operators in the country are trying to match low tariff that new entrant Reliance Jio will offer from April 1. The lowest value plan from Reliance Jio under its special scheme will offer 1GB of 4G data everyday and unlimited calling throughout the country for Rs. 303 a month.

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