I find that Flipkart does a pretty good job of managing your expectations in terms of delivery, even though you're buying from a 3rd party supplier. They update

I find that Flipkart does a pretty good job of managing your expectations in terms of delivery, even though you're buying from a 3rd party supplier. They update you when the seller accepts the order, packs it, when it is collected from the seller and finally through the entire delivery process.