You cannot return or exchange your order from Kotak Mobile Banking Application. To return/exchange order, please follow the below steps:
1. Download Bigbasket Application on your mobile from google playstore
2. Login to your Bigbasket Account
3. Click on Burger Menu [=] on top left corner and select "My Account" and then "My Orders"
4. Select the item(s) from your order you wish to return/exchange and select reason
5. For exchange, select the checkbox "I need a replacement for this item"
6. Select your convenient slot where Bigbasket delivery executive would come to pick up the item
7. Click on confirm