Gyftr.com — Gift Voucher issue

I had purchased Jockey Gift Vouchers through Gyftr for ₹1500 and the Vouchers don't seem to work. It's been months now since I raised a complaint and I am tired of following up to get my money back. I have told them to cross verify with Jockey to understand that there was no order placed using the Gift Vouchers. Please take an action ASAP.