Paytm is one of the e-commerce site in India it's founded in 2010 by Vijay Shekhar Sharma and the headquarters located in Noida though this site we can by product we can do mobile recharge.
Electricity bill payment, gas bills DTH renewal and many more there is also lot of discounts through this site paytm also can be used as payment gateway in other sites like for booking movie tickets paying other e-commerce sites.