'Operation Blue Star' is associated with :

The correct answer is Military exercise . Key Points Operation Blue Star was a major Indian military operation carried out between June 1 and June 10, 1984 , ordered by then-Prime Minister Indira Gandhi . The primary objective of this military exercise was to remove Sikh militants , led by Jarnail Singh Bhindranwale , who had accumulated weapons and established a base within the Golden Temple (Harmandir Sahib) complex in Amritsar, Punjab . The operation involved the Indian Army using heavy artillery and tanks (specifically Vijayanta tanks ) to flush out militants from the Akal Takht , resulting in significant structural damage and casualties. The aftermath of the operation led to widespread unrest and was the direct catalyst for the assassination of Indira Gandhi on October 31, 1984 , by her Sikh bodyguards. Additional Information Assam Accord : A Memorandum of Settlement signed on August 15, 1985 , between the Government of India and the leaders of the Assam Movement to resolve the issue of illegal migration . Dravida Movement : A political and social movement in South India , primarily Tamil Nadu , founded by E.V. Ramaswamy (Periyar) to promote Dravidian identity and social equality against Brahminical hegemony . Narmada Bachao Andolan : A social movement spearheaded by native tribals, farmers, and environmentalists like Medha Patkar against the construction of large dams, such as the Sardar Sarovar Dam , across the Narmada River .