High tariffs or not, self-sufficiency in critical areas must be a national imperative It is possible for a people to be self-sufficient. The Sentinelese in the Andamans, for example. But such living is extremely limiting....
source https://timesofindia.indiatimes.com/blogs/toi-editorials/make-in-india/
source https://timesofindia.indiatimes.com/blogs/toi-editorials/make-in-india/