Airtel has now launched their free incoming calls on national roaming on prepaid phones. You can get incoming calls free on national roaming with a daily charge of just Rs5 or activate it on a monthly basis for Rs79.
To activate your free roaming SMS roam to 121.
You Pay
You Get
Validity
Rs. 5 Incoming calls free on national roaming. Outgoing calls at 1.5p/sec. 1 Day
You Pay
You Get
Validity
Rs. 79 Incoming calls free on national roaming and Outgoing calls at 1.5p/sec in home circle and roaming. 30 Days