Byju's — byju's, tab I want to cancel this tab and refund my money

Address:

RZ-A , 64, JEEWAN PARK, SOM BAZAR ROAD, UTTAM NAGAR, New Delhi, Delhi, 110059

I was purchased the product three months back till date mentor or sales person will not contact for us. I send the mail for byjus support team for refunding the amount but one of the person ms kanika contact but she told refund is not possible because already three months is over but i am paying 3000 per month emi. Now i don't want above product because no body will responding and no use of tab. They are cheater. Please cancelled the application and refund the amount.