Use first 6 digits of your Citibank debit card in place of “XXXXXX” of the coupon. India Flights ? $30 off per booking from USA to any destination in India. Domestic Flights ? Rs300 off per booking on domestic air travel. International Flights (From India) ? Rs 750 off per booking on international air travel. Hotels ? 20% off on hotel bookings in India Subject to maximum of Rs 1000.