The pay per second model has really paid of well for the latest entrant in the Indian GSM space, Tata-DoCoMo. Tata-DoCoMo is the joint venture between India based Tata Teleservices and Japanese mobile giant NTT DoCoMo. Its the only GSM operator in India, who charges per second rate of 1 paise. So, if you speak for say 1 min 20 seconds you will be charged 1 rupee 20 paise. When it comes to other operators, you will be charged for 2 minutes even though you have spoken for 1min 20 seconds. This new pricing strategy from Tata-DoCoMo will certainly change the rules of the GSM game, which is dominated by AirTel and Vodafone. Tata-DoCoMo is also in talks with their joint venture partner NTT DoCoMo and you will soon see mobile handsets being offered from Tata DoCoMo along with the various GSM plans. Tata-DoCoMo has launched its GSM network in 5 regions, Karnataka, Tamil Nadu, AP, Kerala and Orissa and they are aiming for a Pan-India presence by the end of October

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