Amazon.in is best for purchasing products online. They gurantee the product quality by the seller.Also they have their courier service which is fast enough to get your products delivered in a week.and the website gives the update of the product status while travelling of product from seller to custemer.I bought a book through Amazon and got overall discount of 20% .The books were delivered to me in just 5 days. Books were packed nicely with padding and Amazon bookmarks. I was happy to recieve orignal books.so I am happy about AMAZON.IN.