NEW DELHI -- Anil Kumar Bhadra, who has a tiny retail business in a nondescript Indian neighborhood, is a wanted man. Amazon.com, Reliance Retail and other leading companies are all after Bhadra and what he represents.

Companies such as Reliance, Udaan and Amazon are racing to bring millions of India's mom-and-pop stores, known as kiranas, into their supply chains. © Nikkei illustration
Reliance, Amazon and others race to attract kiranas to expand supply chains