Maximum Cashback is Rs. 10. Minimum recharge should be equal to or greater than Rs. 400. Promocode can be used 5 times per user per number. Promocode is valid only on Mobile prepaid recharge of Mtnl number. Cashback will be credited within 24 hours of the transaction into user\’s Paytm Account. Promocode is valid only on every Sunday. Promocode is valid for Web and App. We reserve the right to end any or all offers at our discretion without any prior notice.