Firstly I want to say that paytm gives mindblowing fast recharge. its really awsome app for mobile recharge and it gives many offer for customer other than recharge like buying. various buying option giving payatm are mentioned below
#1 variaty of mobile and accessories offer
#2 electronics
#3 mens and womens fashion
many other option gives by paytm are - flights booking, bus ticket booking, hotels booking, movies ticket, buying book, etc.
other advantage of this app is cashback benifits. I think I had heard about cashback first time through this app.
so overall u can do anything buy or recharge through th app