Online Software for Order's data management

We are online seller on indian ecommerce sites like Flipkart, Snapdeal, PayTM, Jabong, Myntra, ....etc. We want to manage all our orders from these sites in a combined software. It should also produce printable reports, invoices, charts etc. Database of these orders should be separately manageable like import, export, combine,...etc. It should be capable of adding vendor sites(like flipkart, jabong, snapdeal), product categories, category wise commission, customer's name, email id, address, contact number, listing charges, fixed charges, shipping charges, final payout, returns details,...etc. Please find attached file of project details documents and excel sheet for example.