I am using paytm from last 8 years.. This a worst experience happen I am using ur paytm postpaid facility I am paying all dues on time.. Without any intimate it's asked me to upgrade I did and suddenly it's showing unable to process your request this time where I am a regular user making payments on time.. If u give this service to regular customer I wll stop using ur services.. Worst services this services doesn't need a 1 rating also Cheap and worst services