Byjus — No refund

I placed an order for a BYJUS PREMIUM PACKAGE about 2 months ago. Ever since I have been sending numerous emails and making numerous calls for the refund of my 8000 Rs paid as a registration fee. They have been avoiding the issue and purposely delaying the refund. It has frustrated me so much that I openly declare the entire organization a fraud and purely money centred. It would be very kind if I could get help