Wooe.in — wooe website doesn't providing cashback and their services

Hello sir /madam
there is website called WWW.WOOE.IN in this website in the name of 100% cashback and one year Netflix subscription they are attracting poor students . I bought one test series for 479 rupees and they provide cashback but it doesn't transfer to bank account. And they offer Netflix one year subscription after 5 days they deactivate that Netflix. I mailed to the admin more than 10 times but they are not responding.will you please help me with this issue.