I have been using the paytm from its initial starting phase, paytm has proved to be the best source of purchasing through online sites, its one of the most trustable site and though application the working has been much easier and fast.
the new paytm money transfer option to bank account has helped a lot in many needful conditions.
many of websites have cashback option on purchases through paytm application, which can vary from 10 to 50 percent in many cases.
the paytm has served a lot in time of demonetrization, in brief its the most useful application for online purchases