E-commerce

I have one requirement to create an eCommerce project. Below are some detail about project,
1. Seller Dash board (User Profile)
2. Inventory Management Like show and manage Product detail and also add, addon services.
3. Seller can check Order status
4. Seller can set the order reference number and can track it.
5. Seller can check the order, Oder can be of two type one is by site directly one is on demand.
6. Seller can check payment status and also can Refund the amount if customer cancel the order of return the Items.
7. User profile management for all customer
8. User can see the product and give can select the products.
9. User can checkout the product the place the order
10. Payment would be online with some gateway
11. Customer can track the ordered status
12. Customer can return the item any time within some specific days.
13. Use can order the other product by uploading the image, this is on demand product order functionality.
14.User can manage his/her profil