Telecom regulator, TRAI has announced reduction in national mobile phone roaming charges, but said there will be no free national roaming as of now. TRAI Chairman Rahul Khullar said that the telecom regulator has mandated two types of free national roaming plans to be provided by all telecom service providers.The ceiling tariffs have been reduced from 1 rupee 40 paise to 1 rupee per minute for local calls and from 2 rupees 40 paise to 1 rupee 50 paise for outgoing STD calls while on national roaming.Similarly, the ceiling tariffs for incoming calls whileon national roaming have been reduced from 1 rupee 75 paise per minute to 75 paise per minute. These changes will come into effect from 1st July.