A product that is not on the shelf does not sell. So consumer-goods companies, which in India are usually called FMCG companies (fast-moving consumer goods), spend heavily on checking their products in hundreds of thousands of shops. They check three things: that the products are in stock, that they are placed as agreed with the retailer, and that they are priced correctly. The buyers of the software in this Market Segment are these consumer-goods companies, and the retailers themselves.

This Market Segment covers the companies that do the checking with data and cameras. It has four companies. Three of them are start-ups from Bengaluru, and most of them use computer vision: software that recognises objects in photos.
Every company named here has posted software engineering jobs in India. Famous companies that don't actively hire software engineers in India are left out.
The same sales representatives also use apps to take orders from shops. Those apps are covered in Market Segment 26.5, B2B e-commerce platforms
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The shelf found in the sales data. A missing product can also be spotted without a photo. If a product should be selling at a store but is not, it is probably missing from the shelf.
The shelf photographed and read. Back to the biscuit company's representative from the start of this Market Segment.

A representative who photographs shelves is slow, and covers only a few shops a day. Cameras fixed on the shelf, and robots that move around the store, can check every shelf every hour. But in India, millions of small shops sell most consumer goods. There, the photo on the representative's phone is the version that can reach every shop.
Who these companies hire, and for what, is on What retail tech companies hire for.