Airtel — +91 [protected] postpaid bill

Address:

521139

My Number is +91 [protected] from vijayawada, i have paid my last month bill 750rs for 681 rs, and they they gave the bill like white paper with stamped, and i missed out that paper, and now i am getting calls from airtel to pay the bills., and i went to them and asked for the confirmation they are saying that we don't have any records, i have paid my bill on last month.. the airtel outlet is stamp is like this and address is : ARC ID: PTVIJ081-6049 CITY COMMUNICATIONS G-4, VIJAYAWA SOUDHA COMPLEX, HIGH SCHOOL ROAD, PATAMATA, VIJAYAWADA-520010, A.P I have the paper bill for the before last month, they are not giving proper bills, still they are giving the white paper bills, i paid my bill last month between 15-21 october 2015, please check CC footage once in requested dates. the outlet guys are simply writing the number details in the dairy for some customers, not giving the proper bill for 2 months, can i get assistance from airtel in telugu language...