Byjus — Cancel my byjus package and refund my money

I am get the byjus package Jan 2022 and paying money 5000 cash total amount 43000 and converting the emi monthly 1750/per month it is very fraud and cheater of byjus they saying once and doing other thing they provide to one tab Lenovo they cost is in market 6 or 7 thousand and provide to books 2nd 3re 5th class books so after 10 days I am saying this books and my son's /(name is Varun tej, ) class is different they should not understand this product please cancel it but still date they byjus takers is not respond and my problem is not solved it financial department is saying this package time is over stil not cancel this product very harshly behaviour saying so please cancel my byjus package and refund my money early