> The main difference was light authoritarianism. India has too much democracy at the local level, where any wannabe neta can block a project

Makes sense. In some ways, the opposite problem also exists. The municipalities dont have much money/power and are de-facto just a branch of the state govt and a neglected one at that. Cause of many urban infra issues.

> TN historically worked because if I wanted a factory built, I knew who to call in the DMK and they would get land and permitting completed in a single window

Yep, this is the kind of thing I alluded to up-thread.