Air India — much publicised birthday redemption - credit back of 50% of points used 1st leg

I have more than one lakh frequent flier miles in my account - 18th was my birth day - i tried my best to avail this offer-spent time from! 7th midnight to 18th midnight - when flight details are finalised i was informed i will get a call back for making the payment-pnr was created yvbc5-
I was later asked to go through ivr for credit card details - i entered the details correctly keeping the credit card in front of me - every time the response came you have not given the details pl try again-then you exceeded the no of times - even when i reached the stage of entering otp to complete the payment process - the same response - finally i was told ticket cannot be issued before 12 pm-you cannot avail the offer-
May be the staff are not keen to issue the tickets as it is late night by that time-hence the unfair practice - it is unfortunate air india could not fulfill even the birth day offer - which is only crediting few miles redeemed on 1st leg of journey - which even now it can fulfill by issuing tickets on my pnr-with the same offer.
Will air india fulfills its own offer - to enhance its reputation-i hope so mobile no+ [protected]