No its better employment opportunity then their own place. No body migrate for low paid Jobs, also there is Manpower crunch for unskilled and semi skilled
Last 10 years it was ruled by AIADMK govt. they usually barrow money a lot. But TN is one of the most industrialized state in India and also has good number service/ IT business. It can easily pays off its debts. Still current government also provides more social schemes
When you have 50% population under multidimensional poverty. where you get the revenue. TN and Kerala invested more in social schemes earlier period. Now reaping the benefits to get more revenue from larger population
Yes it is
https://www.financialexpress.com/industry/world-milk-day-2021-the-story-of-how-india-went-from-being-milk-deficient-to-largest-dairy-producer/2262695/lite/