So here is an app which is offering free recharge / freecharge coupons worth Rs. 70 just for downloading and participating in its contest. Teenpatti is one of the famous timepass for many youngsters out there. They are offering Freecharge coupons to all participants of there World Cup contest starting on 24th November 2014. All you need to do is just sign up via Facebook account and participate in this contest to get free Rs. 70 recharge coupon.