I am using Tata Docomo GSM Sim it’s very good and perfect network and good three G network
Customer services are good but sometimes customer care number can’t connect to the voice man so I will give you two star service
Charges are normally good the GSM company provide good offers day today I love recharge with Internet data and good validity give you five out of three stars to Tata Docomo GSM hope you understand thank you. Take cre