Byju's — Cancelling of my order and want to refund my money

Dear Sir,

I was offered byju's class initally as free for my child but the teacher which came to my home told a diffreent story. I somehow agreed to purchase the course after they told me that I can cancel this order within 15 days, if you are not satisfied.

Now I am trying to cancel my order from the last 10 days but nobody is listening and they are insisting me to have these classes.

Please help me to cancel my order and refund of my money

Regards
Ravinder Pal