Flat 300 off on Domestic flight bookings on HDFC Smartbuy platform using Pay with Payzapp
http://www.hdfcbank.com/personal/making-payments/pay-with-payzapp/payzapp

Flat 300 off on Domestic flight bookings on HDFC Smartbuy platform using Pay with Payzapp
No min booking
No convenience fee
Non-HDFC bank users can use Payzapp card to avail the offer.
T&Cs:
Offer period – Valid till 31st December 2016
Offer is valid on HDFC Bank SmartBuy platform,book domestic flight tickets and “Pay with PayZapp” provided customer is registered for PayZapp at the time of transaction.Offer valid on Domestic flights bookings at SmartBuy web site & Mobile site.No convenience fee. No minimum transaction value required.Non- HDFC Bank customers can use PayZapp card to avail this offer (Add/Load money to PayZapp wallet and use PayZapp card).Follow the regular process and during payment , select PayZapp and Pay via PayZapp .Select Apply coupon at SmartBuy platform and Use coupon code “FLYHDFC” to avail Flat 300 Off.Customer must have a verified PayZapp Mobile Number to avail the Cashback.PayZapp reserves the right to end any or all offers at their discretion without any prior notice.In case the transaction is cancelled or left undelivered at merchant’s end(not PayZapp), a refund will be initiated within the next 10 working days.5X and 5% offer is valid only for HDFC Bank card holders.Offer valid from 1st Dec to 31st Dec 2016.