Original sentence: Such an emergency was declared in India in 1962 (Indo-China war), 1965 (Indo - Pakistan war), 1971 and 1975 (declared by Indira Gandhi on account of 'internal disturbance')
Edited sentence: Such an emergency was declared in India in 1962 (Indo-China war), 1965 (Indo - Pakistan war), 1971 and 1975 (declared by Indira Gandhi to let her government remain in power)