Finally TATA GSM Network went commercially live last week starting TN (including chennai) & orissa circles. Next they are going live with the following circles Andhra Pradesh, Kerala & karnataka to complete the south launch.In the two launched circles only prepaid seems to be currently launched, their website says they will launch post paid on 1st July 2009.With this TN / Chennai has the highest numbers of telecom operators in india in both GSM & CDMA categories whose network is commercially live:1. Aircel GSM2. Airtel GSM3. Vodafone GSM4. BSNL GSM5. Reliance CDMA6.Reliance GSM7. TATA CDMA8. TATA GSM9. Idea GSM10. Shyam Sistema CDMA11. Loop Telecom GSM (Limited Launch in TN on May11, 2009, not commercially active)In this list I have excluded BSNL CDMA being CDMA in FWT/FWP or simply WLL mobile. Other Operators due to launch in Chennai / TN circles are:1. Videocon Datacom GSM 2. Etisalat (previously SWAN) GSM3. Telenor (previously Unitech Wireless) GSMPhew!!! thats a quite a number of operators... :O:S