Between 26 October 1962 to 10 January 1968 during the India - China war -- "the security of India '' having been declared "threatened by external aggression ''. Between 3 December 1971 to 21 March 1972 originally proclaimed during the Indo Pakistan war, and later extended along with the third proclamation -- "the security of India '' having been declared "threatened by external aggression ''. Between 25 June 1975 to 21 March 1977 under controversial circumstances of political instability under Indira Gandhi 's prime ministership -- "the security of India '' having been declared "threatened by internal disturbances ''.
when was first national emergency declared in india
1962