Cashback For All MobiKwik App Users. Just download the MobiKwik app on your smartphone, add money to your wallet, and redeem Promo Code WORLDCUP to get instant 10% Cashback Offer Details: -> Add money using only your credit or debit card -> Promo Code WORLDCUP will remain valid from 12 PM to 6 PM today (March 26) -> Cashback redeemable only once per MobiKwik user/wallet -> Max Cashback is Rs 200 -> Offer not valid on add money transactions made by net banking or by using virtual cards -> Use your Wallet Balance to Recharge, Pay Bills, Shop on popular e-Commerce websites, and to Pay for your Coffee at Cafe Coffee Day