Reliance Fresh — Ola cabs vouchers is not given to me

Address:

110030

On date 16/06/2016 i purchased few items from reliance fresh lado sarai of INR 524.51. there was an offer from ola that if i purchase items worth INR 499 & above i'll get an ola cab voucher. when i asked for the voucher the staff has not given me the ola cab voucher. its totally disappointing. i am attaching the receipt of my purchase. kindly resolve this issue and take necessary steps toward this...