 Operation Blue Star was an Indian military operation carried out between 1 and 8 June 1984, ordered by Prime Minister Indira Gandhi to remove militant religious leader Jarnail Singh Bhindranwale and his armed followers from the buildings of the Harmandir Sahib complex in Amritsar, Punjab.Bhindranwale and large number of his militants were killed in the operation.There was a high civilian casualty (Total 493 including militants) also in the operation, since the militants had been using the pilgrims that had been trapped inside the temple as human shields.