You can now cancel an order when it is in packed/shipped status, as long as the cancel option is available on App/Website/M-site. This includes items purchased on sale also. Any amount paid will be credited into the same payment mode using which the payment was made
Yes, you can modify the shipping address of your order before we have processed (packed) it, by updating it under 'change address' option which is available under ‘My order’ section of App/Website/M-site
Tap on “My Orders” section under the main menu of your App/Website/M-site and then select the item or order you want to cancel