The e-commerce giant has launched a new feature on its app called "Add to Delivery," a button that allows customers to add additional items to a delivery for an order that has already been placed.

In June, the Central Consumer Protection Authority had ordered e-commerce platforms to eliminate dark patterns within three months after carrying out self-imposed audits.

Here’s how it works: when browsing Amazon’s mobile app or website, eligible items will show a big, bright blue Add to ...