Goto Mobikwik app (https://play.google.com/store/apps/details?id=com.mobikwik_new&hl=en) and add 50 rs to your wallet using credit card, debit card, Prepaid card and Net banking from ICICI Bank then goto My account and redeem the promo code ICICI50 And get 50 rs cashback valid till:15 Jan 2015