Paytm app is such a good app which help you to complete your outstanding payment and buy using paytm for payment you will also get cash back. for example if you want to proceed for broadband payment first select the operater then enter your ca no. then enter to payment mode and then enter and its done. if you have a promo codes you can also get cashback for some payments . I like its design its design is also awesome like better than other apps and some of other features like you can also use qr code for payment in just a simple step. you can also send money to your friend in occasions, you can also request for a money from you freiend, and you can also buy product from paytm.