State-owned telecom firms MTNL and BSNL are likely to launch new roaming plans from January 26 that will offer their subscribers free calls, sources said.
"MTNL has plans to make roaming free for its customers on its network in Delhi and Mumbai without any additional charge," said an official source. He, however,added that BSNL will also have a roaming plan for free calls, but its customers may have to shell out Re 1 a day to avail of the facility.