Janata Dal (Secular) left the alliance after the fall of Karnataka govt. AIUDF joined UPA after UPA invited as it was against the implementation of CAA-NRC, and JKNC rejoined UPA back at national level after a break-up in 2014. 2020 UPA lost state election in Delhi, Bihar. The KC(M) was expelled by INC from the alliance due to the factions forming in the party. In 2020 UPA lost power in Madhya Pradesh due to crisis and the by-polls gave majority to NDA and pushed UPA to minority. 2021 3 MLA resigned from UPA in Puducherry causing the government to go from majority to minority, and during the no trust confidence UPA fail to prove majority causing the government to fall. BPF (left NDA) and joined the alliance ahead of the 2021 Assam election. UPA lost state election in Assam, Kerala, Puducherry and West Bengal. SPA won state election in Tamil Nadu. Goa Forward Party joined UPA. UPA cut all ties with Indian Secular Front after defeat in West Bengal elections and the Sanjukta Morcha alliance was disbanded. Bodoland People's Front left the alliance due to poor performance in the 2021 Assam election. AIUDF was expelled from UPA. RJD left the alliance due to seat sharing disagreements for 2024 Lok Sabha Elections. 2022 Assam Jatiya Parishad joined UPA. UPA lost election in Punjab, Uttarakhand, Uttar Pradesh, Goa, Manipur. MVA Government falls in Maharashtra due to crisis and split in Shiv Sena. JDU rejoined MGB. MGB formed government in Bihar. UPA lost state election in Gujarat. UPA won state election in Himachal Pradesh. 2023 Candidates in elections Lok Sabha general elections 2009 Indian general election 2014 Indian general election 2019 Indian general election Controversies The winter session of parliament in October 2008 came under intense criticism from the Left parties and the BJP to demand a full-fledged winter session instead of what was seen as the UPA to having "scuttled the voice of Parliament" by bringing down the sittings to a record low of 30 days in the year. The tensions between the UPA and the opposition parties became evident at an all-party meeting convened by Lok Sabha speaker Somnath Chatterjee when the leader of opposition, LK Advani questioned the status, timing and schedule of the current session of parliament. M. Karunanidhi had said he felt "let down" by the "lukewarm" response of the Centre and had demanded amendments in the resolution