Byju's — Cancellation of byju's learning process regarding

I have joined the byju's learning program before four months .A mentor contacted us to join .I am also interested to learn so i have accepted to join ...I received a tablet from byju's and some study material.till now I have not attended any classes but they are always asking the payment to pay .we have paid the payments for four months..plz cancel this .we never ask to refund the money.so please cancel as soon as possible ..we are struggling lot to pay