Get Up to Rs.800 Cashabck on Domestic Flights Bookings for PNB Customers Only Domestic Flights: Get up to Rs 800 cashabck on Domestic Flights bookings for Punjab National Bank customers only. TnC: If the customer doesn\”t receive the cashback, he/she must claim the same within 3 months from the booking date. In the event the Cardholder fails to do so, he/she will not be eligible for the cashback amount.This offer cannot be clubbed with any other offer of MakeMyTrip.PAYBACK points will not be credited for transactions where E-Coupon or Deal Code has been applied.