With STV (special tariff voucher) 666, Tata Indicom prepaid customers can make unlimited local calls to any mobile or fixed line network across the circle, with a validity of 28 days.
The postpaid subscribers can however choose from a set of available option for Rs 899, which include unlimited local plus roaming facility. Further all STD calls, regardless of the network will be charged at 1.2 paisa per second. Note that there are no restrictions whatsoever on the unlimited local calls, under this plan.
Postpaid customers can also opt for Rs 1099 plan which allows unlimited local and STD calling across network. The national roaming charges are 1 paisa per sec and SMS is charged 60 paisa for local, Rs 1.20 for STD and Rs 5 for International SMSes.
Tata Indicom has also launched an Unlimited Blackberry internet service that allows making unlimited local calls on any network. All STD and Roaming calls will be charged at a flat rate of 1.2 paisa per Sec.