Federal Nepal, 2016–present Continued internal conflicts, 2016–2020 On 21 November 2016, the party announced it's unification with the Kamal Thapa led Rastriya Prajatantra Party Nepal. The new party retained the name of Rastriya Prajatantra Party. The new party had a total strength of 37 in the Parliament of Nepal, becoming the fourth largest party. Thapa was elected as chairman of the party in a special general convention in Kathmandu in February 2017. The party joined the coalition government on 9 March 2017 under CPN (Maoist Centre) chairman Pushpa Kamal Dahal with Kamal Thapa serving as deputy prime minister. Prakash Chandra Lohani split away from the party following the decision to join the government and because of issues regarding the electoral symbol of the party. He announced the formation of Ekikrit Rastriya Prajatantra Party (Nationalist) on 29 March 2017. Another split occurred on 6 August 2017 after Pashupati SJB Rana broke away forming Rastriya Prajatantra Party (Democratic). The party joined the coalition government under Nepali Congress president Sher Bahadur Deuba on 13 October 2017 with Kamal Thapa again serving as deputy prime minister. In the 2017 general and provincial elections, Rastriya Prajantatra Party formed an alliance with Nepali Congress and Rastriya Prajatantra Party (Democratic). The party only won one seat to the House of Representatives and party chairman Kamal Thapa lost in Makwanpur 1. Only general secretary Rajendra Lingden was elected from Jhapa 3 after forging an electoral pact with the Left Alliance against Nepali Congress in some eastern districts including Jhapa. The party got 2.06% of the party list votes and could not become a national party after failing to pass the 3% threshold in party list voting. The party also won one seat each to provincial assemblies of Province 1, Province 3 and Province 6. Re-unification and new leadership, 2020–present The Rastriya Prajatantra Party (Samyukta), created through the merger of Rana and Lohani's splinter groups, merged with the party on 12 March 2020, with Kamal Thapa, Pashupati Shamsher Jang Bahadur Rana and Prakash Chandra Lohani all acting as chairs. In July 2020, Sunil Bahadur Thapa, the son of former prime minister Surya Bahadur Thapa, resigned from the party and joined Nepali Congress. The party conducted its general convention from 1 to 3 December 2021 and elected Rajendra Prasad Lingden as the party's chairman. He defeated former deputy prime minister and incumbent party chairman Kamal Thapa at the general convention.