Paytm 50 Rs cashback on 50 Rs or more recharge voucher(old users)

Get 50 Rs cashback on 50 or more recharge at paytm

Steps:-
Goto this link
http://groupon.co.in/deals/shopping/paytm-com-4/631373
And get the voucher for 9 Rs
Once you get it
Goto the app http://paytm.com/mobile
And initiate a recharge for 50 or more ,use the coupon to get the cashback