As the development goes on, India has become the hub of almost all the popular brands in the world anf I you are looking for one stop shop for all these brands, Myntra.com is an essential application you must have in your smartphone.
Product Quality - Myntra means authenticity
Delivery time - Just remember the delivery date and your product will be delivered before that.
App & Websites - Smooth transitions in both the platforms.
Reliability - I never called customer service about the authenticity of the product.