Byju's — neither refunding the paid amount not returning the product

Despite my request to byjus to cancel their byjus ias product, no concrete action has been taken from their side. I bought a product on 15th of march and from april onwards i m making complains and requesting them to cancel their product. Nothing is done from their side. A lady named prachi who heads their doesn't cooperate with the things and playing spoilsport and shifts the blame on customers itself. Entire team is doing a kind of harassment and not taking back it's product and not refunding the hard earned money in such hard time of lockdown.