Multiple choice general knowledge history How many years Indira gandhi was India's Prime minister? 14 16 18 20 Reveal answer Fill a bubble to check yourself B Correct answer Explanation Indira Gandhi served as Prime Minister for approximately 16 years total (first term 1966-1977: 11 years; second term 1980-1984: 4 years). 16 years is the closest correct option among the choices.