Paytm play a vital role to develop cashless society . paytm has a enormous use in the present day the concept is so simple just install it on your Android phone and link your bank acc just by following some simple stape . the layout and design is superb . very comfortable to use this app in your mobile, if you talk about security issue they are very sensitive on this point . it is very use full app you can pay your mobile bill, electric bill, dth bill, etc