You are new business of an established one Hipkart is free you don't pay any monthly fee, don't pay for listing fee and don't even pay per sales commission . Yes all those fees are charged by other provider . At Hipkart we only charge a small discover cost similar to Google Adword which means we charge a small bit for only the product views by your customers.
Your store comes with $100 worth of Views preloaded so you virtually pay nothing until you establish your business and even then you only pay for views which is similar to advertising cost.
Also you may choose to disable public discovery and not pay pay for views ever and keep your store free forever.