Airtel has recently started offering 20 GB additional data with its Rs.399 postpaid plan for a year. This plan has been launched to take on Vodafone that offers 40 GB data per month. Vodafone, Airtel and Jio are the telecom giants that have been providing unlimited STD, local and roaming calls. Vodafone is giving an access to Amazon Prime for 1 year while Airtel is a free subscription to Wynk music. The additional data provided by Airtel comes with an existing data of 20 GB 3G/4G data per month with a rollover up to 200GB.
Source: Gadgets 360