Sunstar Club — cancel of membership and refund money

Address:

Ahmedabad, Gujarat, 380054

I became the member of this company so called sunstar club in apr 2017 by paying rs 15000 at welcome hotel dwarka sector -10 new delhi. After one day i visit to there delhi office to cancel my membership they not attending at last one person say send mail our company address i send so many mail till now not reply and also not pick up phone. Now i want my money back. Please help me...