Byjus — Byjus Not Cancelling the course within 15 trial days and not refunding the amount

Sir i want to cancel Byjus package. Even though it is a week, still they are not cancelling the package. It falls within 15 days as per byjus cancellation policy. The mentor Chandana from Byjus who forced us to buy the package is also not reachable on her number [protected]. Also Called customer care innumerable times and they say "please wait for the call back" that's all. Please help me Cancel the Byjus package and refund my amount.