https://www.makemytrip.com/promotion/includes/df-offer-03082016.php HOW DO YOU GET IT To avail the offer, customer must enter E-Coupon APPFEST in the E-Coupon field. This offer is valid on Citibank credit and debit cards only. Offer period: This offer is valid on domestic flight bookings made from 0000 hours on 3rd august till 2359 hours on 5th August 2016. The offer is valid for bookings made on MakeMyTrip's Android & iOS App only. The offer is valid on 1 booking per card during the offer period using the above offer code.
