How to book & get cashback? Download the Cleartrip Mobile App available for Android on the Google Play Store. Book any Cleartrip Local Activity, Domestic / International Flight or Hotel worth Rs.6,000 or more. On the payment step, select 'Wallets' & proceed to make payment with PayZapp. Post-checkout on Cleartrip, you will be directed to the PayZapp payment page, where you simply need to enter Coupon code CTPZ1000 to ensure you are eligible for cashback. If eligible, HDFC Bank will credit Rs.1,000 cashback directly to your PayZapp Account by 31 January 2019. Valid only for transactions made on Monday to Thursday, between 02 July 2018 to 27 December 2018. Dates of Travel/ Local Activity are completely open. Valid once per PayZapp user per month.