Get 20% Cashback to Card (max up to Rs 2,500) on base fare on International Flight bookings paid using Mastercard Card holders only.
https://www.makemytrip.com/promotion/includes/if-mastercard-19112016.php

HOW DO YOU GET IT
To avail the offer, customer must enter E-Coupon MASTERIF in the E-Coupon field.
This offer is valid on payment made through Mastercard Cardholders only.
The offer is valid from 0000 hours on 19th November till 2359 hours on 21st November’2016.
The offer is valid for bookings made on MakeMyTrip’s website, Android & iOS App only.
The offer is valid on 1 booking per card during the offer period.
Discount will be calculated on the base fare on a per Booking ID basis and will not be processed for each passenger.
Offer is only valid on a minimum booking amount of Rs 20,000.