Makemyhobby.com — 8 months old order - no response - no refund till date

Hi,
After viewing their site makemyhobby.com, i thought that they are reputable and placed an order with them. Details of order is as follows:
Date: 09/09/2018
Order no: #176773
Product: of arowana anti cloudy - sku 15 09a 140
Total invoice: rs 1787.90/=
Refund request no: #379 and #530

Almost 8 months over but not dispatched. Even they are not bothered to reply. Refund placed 2 times but still not refunded.

Kindly refund.