Flipkart is one of the big eCommerce website in India . where you can find anything your looking weather it is pin or mobile you just name it and you will find it hear. And the best part is his app which is so easy to use and place your order. Talking about the product delivery system and customer care executive you get all the support from flipkart end till you get your product delivered weather it is cast on delivery or online payment and the best part is if there some defect in the product you order you can ask for replacement and the can help you.