Rajiv Gandhi was assassinated by LTTE member Dhanu in 1991. Dhanu wore a bomb disguised under a green salwar-kurta and denim vest. Supreme Court released all convicts involved in the assassination . Rajiv Gandhi , born August 20, 1944, was assassinated on May 2, 1991. (File Photo) India’s former ... On 21 May 1991 , former Indian Prime Minister Rajiv Gandhi was killed in a dramatic and devastating suicide bombing during an election rally in Sriperumbudur, Tamil Nadu. This moment shocked India and the world, marking one of the most harrowing political assassinations in modern history. The assassination of Rajiv Gandhi , former prime minister of India, occurred as a result of a suicide bombing in Sriperumbudur in Tamil Nadu, India on 21 May 1991. [2] . At least 14 others, in addition to Gandhi and the assassin, were killed. [3] . A new series called ‘The Hunt: The Rajiv Gandhi Assassination ’ relives the 90-day manhunt for Sivarasan, the LTTE operative who masterminded the deadly killing of Rajiv Gandhi . But who was he, and how did he hatch the plan to kill the former PM?