New Delhi, Oct 21 (ANI): India's National Security Advisor (NSA), Ajit Doval, has said that India must not follow a path of exclusive isolation from China which is going to be an important player in global affairs. Doval was speaking at Munich Security Conference (MSC) in the national capital New Delhi on Tuesday. Answering to a query whether China or the Muslim extremist groups are the major threat to India, he said there is no big or small threat, militancy is militancy.