India is a federal country. There are various layers of federal, state, local, and municipal governments and enforcement you need to peel through to crack down on stuff like this, especially if an operation ends up partially co-opting the state and local portion, or if the state and the federal portion are opponents of each other.

The Indian version of the FBI can't operate in states without their explicit permission, and there have been multiple cases where state police will end up arresting each other because competing politicians in neighboring states would file motions against each other. For example - https://m.timesofindia.com/india/explainer-inter-state-polic...