
Tata Docomo has introduced special tariff voucher, which allows both GSM and CDMA customers in Mumbai to receive free incoming calls while they are roaming.
The tariff voucher is priced at Rs 775 and users availing the voucher will be charged Re 0.8 per minute for local calls and Rs 1.15 per minute for STD calls. The special tariff voucher comes with a validity period of six months.