Bewakoof Brands — regarding refund

Address:

Bewakoof Brands Pvt. Ltd. 4th Floor, Kerom Building, Plot No. A-112, Wagle Industrial Estate Thane (West), Maharashtra – 400 604, 700091

Hi, i had placed an order for an t-shirt from bewakoof.com (On 12th sept 2019) and i had received the order on time (On 17th sept). T-shirt didn't fit to me. I had to return the product (On 18th october).
My money has not been refunded yet. I have sent several mails to their customer care, but receiver not response. Order no : 30313910
They have a very poor customer service. Please help.