The first non-Congress Prime Minister of India was Morarji Desai. He became the Prime Minister on March 24, 1977.
Background:
Morarji Desai was a leader of the Janata Party, which was formed as a coalition of various opposition parties united against the Congress government led by Indira Gandhi. This followed the lifting of the Emergency (1975–1977) imposed by Indira Gandhi.
The Janata Party won the 1977 general elections, marking the first time in India’s history that a party other than the Indian National Congress formed the central government.
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