Ebiz.com — I want to refund my money

Address:

vasundhara enclave new delhi, New Delhi, Delhi, 421201

I have joined ebiz on 3rd april 2019 and canceled membership on 11 april by sending refund request on support portal of ebiz.. I also sent emails but i didnt received any reply from their side... I have also sent written application and cancelled cheque to their office address 1 month ago still i haven't received my money... Up line is not helping me at all.. Ebiz contact number is also a fraud number... What should i do now??? Please help me... And i want my refund as soon as possible...