Dear customer as Jantacart.com worked with company Authorize distributor, and we also worked on prepaid orders which already indicated that it's confirmed order. So their is no provision of cancellation of order. As all details already mentioned in products details page, after reading it customer placed the order which already cleared that customer satisfactory with the product details.
To make the authentication and originality of the product we worked with company Authorize distributor, due to which cancellation is not available on Jantacart.com
Advance payment is non refundable if cancellation done by customer.