Tata DoCoMo has become the First Indian Telecom Service Provider to comply fully with TRAI's Tariff Order which mandated Operators to disclose - Plans, STV [Special Tariff Voucher] and Top-Ups clearly on the Website with Tariff Rates and Benefits the consumer gets.

Tata DoCoMo has revised all the Tariff Plans and are favoring Consumers with some additional talk time or more SMS benefits and has released the same on its Website.

For Example Tata DoCoMo GSM TRAI Tariff Compliance can be seen here
You can visit their Website, choose your circle on the top right hand side and get all the information in a Transparent Manner.