Operation Blue Star (3–6 June 1984) was an Indian military operation ordered by Indira Gandhi, the then Prime Minister of India, to remove Sikh separatists who were amassing weapons in the Golden Temple in Amritsar. The operation was launched in response to a deterioration of law and order in the Indian state of Punjab.
The operation was carried out by Indian army troops with tanks and armoured vehicles.Militarily successful, the operation aroused immense controversy, and the government's justification for the timing and style of the attack are still under debate. [...]
Independent historians placed the figure at:
The operation also led to the assassination of Prime Minister Indira Gandhi. On 31 October 1984, two (Satwant Singh and Kehar Singh) of her armed Sikh bodyguards assassinated her. Anti-Sikh riots were triggered by Mrs Gandhi's assassination. The widespread killing of Sikhs, principally in the national capital Delhi but also in other major cities in North India, led to major divisions between the Sikh community and the Indian Government.