Byju's — For cancellation and refund

Sir I am a student of byjus classes sir my request is please cancel my course and refund my money because sir I am not able to pay because my financial condition was not to go to pay every month fee of byjus and I am also try to solve this problem on byju's customer care I also mail on byju's complaint site but no one help me on this matter so I am requesting you sir please help me