Airtel launched India's first 4G network in Kolkatta yesterday as announced earlier. Airtel will use the TD-LTE network for this purpose. Airtel had already bagged four circles in the auction which was held in June 2010. Other than Kolkatta airtel also has the circles of Punjab, Karnataka and Maharashtra and Goa. Airtel also announced that it will soon launch services in other circles starting with Banglore.
