The dabbawalas of Mumbai are a delivery system that transports home-cooked meals to office workers, serving roughly 200,000 customers with a workforce of about 5,000. Their operation is notable for its efficiency and reliability, relying on a meticulous supply chain and strong community ties, utilizing the city’s public transport system without any fuel consumption. Despite facing challenges like increased labor costs and competition from fast food, they maintain a successful, sustainable enterprise rooted in tradition and ethical practices.