The corridor, not the city, is the unit of migration

It's tempting to think of migration as people moving to cities in search of work, a diffuse flow toward opportunity. Look closely and the picture is far more ordered. Migrants move along corridors: specific origin districts feeding specific industrial destinations, over the same routes, year after year.

Bihar, Uttar Pradesh, West Bengal and Odisha feed the auto and electronics belts of the south and west. The same villages send workers to the same clusters, often through the same networks. The flow isn't random; it's a pattern stable enough to plan around.

This matters because it changes the right unit of design. Build for 'the city' and you're building for an abstraction. Build for the corridor, the durable route between a set of origins and a specific industrial destination, and you're building for how migration actually works.

Continuity infrastructure follows the corridor. Managed living, verified jobs and portable records placed along the routes people already travel meet workers where they are, not where a map says they should be. The corridor is the pattern; the infrastructure should match it.

Nia operates by corridor for exactly this reason. Rajputana, Deccan, Wellington and Coromandel aren't marketing labels, they're the real channels along which India's workforce moves. Build for the corridor and you build for the pattern that repeats every year.