Byjus — Wanting to cancel my program

I am a subcriber of byjus they told me we give live class . Then when i got the tablet, it was same like byjus some maps and something are only there. Then after two months my mom got mad and called them. They said that we send plans every month. Then after the call we get much eMail on the date like may and june
After the call. Then my mom scolded me. It's 2 months using byjus. But i want to cancel my program its to bad i want all my moms money. She can use it in heredical purpose. She is a sugar patient. She can use it for chains. She had barely one chain. We gave total 48, 000 rs. Please solve it sir i want to be cancelled from that program.