Byju Classes - I want to cancel byju s subscription but they are making me fool

I wanted to give back their product since day one when i received but they always making me fool,,their employe told me they want to talk with * year kid to manipulate him to study,,,their executive specially sahil bame guy working for jaipur zone told me to give one more month to product that my kid will teach by their product but my kid is not intersted and now he is not cancelling the product,,making me fool,,,i m in debt because of this subscription and they are not helping,,they just want to sell their product nothing else,,,cheap products