Well we all have some problems with any website. First we have wrong concept of dubilcate product and moreover trust on quality and service.
Flipkart is doing very well in online shopping marketing. Big million day is an amazing sale.
Delivery process depends on dispatch timings moreover they are doing well from their side.
Whenever I purchase any item it is good more than my expectations.
Return of products is our choice so if you wants to return your products just complaint it they will pick up your package.
Do buy from Flipkart !