Products sold cannot be returned or exchanged without a valid reason.
In case of warranty rules violation, product damage, burn damages or used product, the return or refurnd policy will not be applicable.
After buying a product online, if the product is not the same product you ordered or the product looks damaged from the outside, then the buyer can return it hence delivery charges will be applied.
For refund, if you ordered the product online the amount will be refunded by Bkash. Delivery charge will not be refunded.