Hi friends if you use tata indicom network you all know about this that this network is poor network of alltime.my mom use this network.its cdma thats why it cant support gsm or wcdma mobile.but its ok if signal were good, but there also big issue that this network have not any single signal in mobile whethere im in home or im in bank or any where.important messeges come later.calls problem and worst service provider.also it is viral that this network should be banned in future but not sure.so if any of my reviewers are planning to buy this network dont go for it go for reliance cdma or orther.its would be helpfull for you