50% Cash back on Bus Bookings on Makemytrip's Mobile App

http://www.makemytrip.com/bus-tickets/

http://i1.wp.com/www.*************.com/wp-content/uploads/2013/01/makemytrip-discount-coupons-300x285.jpg?fit=300%2C285

LIMITED OFFER: During 4 pm to 5pm on 28th June 2013 and valid only on bus bookings made on MakeMyTrip’s mobile app
COUPON CODE: FLAT50

FINE PRINT

• The cash-back amount shall be 50% of booking value and shall not exceed Rs. 500 per booking id.
• Only 1 redemption allowed for each unique email or mobile number in the hour.
• The offer is valid on per booking ID.

 

is it valid??? now??
at present?