<Ul> <Li> Aircraft pilot </Li> <Li> Politician </Li> </Ul> <Tr> <Th> Awards </Th> <Td> Bharat Ratna (1991) </Td> </Tr> <P> Rajiv Ratna Gandhi (/ ˈrɑːdʒiːv ˈɡɑːndiː / (listen); 20 August 1944--21 May 1991) was an Indian politician who served as the 6th Prime Minister of India from 1984 to 1989 . He took office after the 1984 assassination of his mother, Prime Minister Indira Gandhi, to become the youngest Indian Prime Minister at the age of 40 . </P> <P> Gandhi was a scion of the politically powerful Nehru--Gandhi family, which had been associated with the Indian National Congress party . For much of his childhood, his maternal grandfather Jawaharlal Nehru was Prime Minister . Gandhi attended college in the United Kingdom . He returned to India in 1966 and became a professional pilot for the state - owned Indian Airlines . In 1968 he married Sonia Gandhi; the couple settled in Delhi to a domestic life with their children Rahul Gandhi and Priyanka Gandhi Vadra . For much of the 1970s, his mother Indira Gandhi was prime minister and his brother Sanjay Gandhi (earlier Sanjay) an MP; despite this, Rajiv Gandhi remained apolitical . After Sanjay's death in an aeroplane crash in 1980, Gandhi reluctantly entered politics at the behest of Indira . The following year he won his brother's Parliamentary seat of Amethi and became a member of the Lok Sabha--the lower house of India's Parliament . As part of his political grooming, Rajiv was made a general secretary of the Congress party and given significant responsibility in organising the 1982 Asian Games . </P>

Name the prime minister of india during 1986