The party's origins lie in the Bharatiya Jana Sangh, which was founded in 1951 by Indian politician Syama Prasad Mukherjee, after he left Hindu Mahasabha to form a party as the political wing of RSS.[42][43] After the Emergency of 1975–1977, the Jana Sangh merged with several other political parties to form the Janata Party; it defeated the then-incumbent Indian National Congress in the 1977 general election. After three years in power, the Janata Party dissolved in 1980, with the members of the erstwhile Jana Sangh reconvening to form the modern-day BJP. Although initially unsuccessful—winning only two seats in the 1984 general election, it grew in strength on the back of the movement around Ram Janmabhoomi in Uttar Pradesh. Following victories in several state elections and better performances in national elections, the BJP became the largest political party in the Parliament in 1996; however, it lacked a majority in the lower house of Parliament, and its government, under its then-leader Atal Bihari Vajpayee, lasted for only 13 days.[44]
After the 1998 general election, the BJP-led coalition known as the National Democratic Alliance (NDA) under prime minister Vajpayee formed a government that lasted for a year. Following fresh elections, the NDA government—again headed by Vajpayee—lasted for a full term in office; this was the first non-Congress government to do so. In the 2004 general election, the NDA suffered an unexpected defeat, and for the next ten years, the BJP was the principal opposition party. Narendra Modi, then the chief minister of Gujarat, led the party to a landslide victory in the 2014 general election. Modi has since led the NDA government as Indian prime minister, including being re-elected with a sole majority in the 2019 general election and with a coalition in the 2024 general election. As of December 2023,[update] the alliance governs 17 Indian states and union territories.
"BJP think tank releases Modi Govt's 100-day report card". dailypioneer.com. New Delhi: The Pioneer. 10 September 2019. Archived from the original on 16 July 2020. Retrieved 14 July 2020. Public Policy Research Center (PPRC), BJP's think tank, on Monday released a comprehensive report on 100 major decisions and initiatives taken by Modi Government in first 100 days.
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Chhibber, Pradeep K. "State Policy, Party Politics, and the Rise of the BJP." In Democracy without Associations: Transformation of the Party System and Social Cleavages in India, 159–76. University of Michigan Press, 1999. JSTOR10.3998/mpub.23136.12.
^* McDonnell, Duncan; Cabrera, Luis (2019). "The right-wing populism of India's Bharatiya Janata Party (and why comparativists should care)". Democratization. 26 (3): 484–501. doi:10.1080/13510347.2018.1551885. S2CID149464986.
Özçelik, Ezgi (2019). Right-wing Populist Governments Rhetorical Framing of Economic Inequality : the Cases of BJP in India and AKP in Turkey. Koç University.
^Bhatty, Kiran; Sundar, Nandini (17 September 2020). "Sliding from majoritarianism toward fascism: Educating India under the Modi regime". International Sociology. 35 (6). SAGE Publications: 632–650. doi:10.1177/0268580920937226. ISSN0268-5809. S2CID224896271.