Byju's — To cancel my product immediately

I have purchased one course in byjus . Now i want to do cancel the product immediately . I have been trying to do cancellation for last 3 weeks . No one did the cancellation. i am still try to do cancellation . They wouldn't consider my situation . I have tried lot of times to do cancellation . Even though i have paid this month of EMI RS 2586. They are all cheaters . I want the reason for why they won't provide the cancellation after 15 days. This is called as cheating . This is my course and i purchased this course i can do cancellation when i got inconvenient or unnecessary for my future . I will going to send a lawer notice to byjus team if the product won't cancel immediately . This my second complaint . Universities also give the discontinue for students .