Hello friends I am sharing my experience with my airtel aap.and I am using airtel postpaid connection from past three years and I am everytime use my airtel aap for purchesing bill payment. After sucssesful payment I always get 50 as cashback in my airtel aap I always chaek my paymet history, my current plan and many more featuers like a offers, electricity bill payment through my airtel aap in my wallet. So I am now suggest you for my airtel aap and airtel connection.i did, and igot the payment.