Gagan Damama Bajeo, operation blue starOperation blue star, 3-6 june 1984 was an Indian military operation ordered by Indira gandhi , then prime minister of india, to remove sikh leader saint Jarnail singh Bhindranwale, who were in golden temple.sikh perceived the attack as desecration of sikh shrine pledged revenge.because of that , Indira Gandhi was assassinated by two sikh brave fighters.