I went to airtel store to buy a new postpaid connection sales person who is sitting there his Name is sarvana he asked u wil use more Calls or Data I told him very clearly i wil use more Data I required maximum 5 to 6 GB data he told u can go for 450 plan u wil get 8Gb data until for 3billing cycle but he had been provided only 4gb I went to store he did not give any proper response even I called customer care even they also did not give any response from there end don't buy airtel connection service is very bad if any one have to contact me my number 9036281989 to ask airtel experience..............