He is a former General Secretary of Nepali Congress (Democratic) Party, a faction of Nepali Congress Party before Janandolan II movement citing differences in opinion, later assuming the same post after the two parties merged after the movement, until 2009.[19]
He has served twice as the Minister for General Administration, once as the Minister for Education and Sports and simultaneously for a period of a month as Minister of Industries, Commerce and Supplies. He also served as the Minister for Physical Infrastructure and Transport. He served as Deputy Prime-minister of Nepal in Puspa Kamal Dahal second cabinet with Home minister portfolio. He led 15 ministers from Nepali Congress in the Second Dahal cabinet as a part of power sharing.[20] He has also served as Acting prime-minister of Nepal.[21]
He was arrested time and again for his political views, most notably in the People's Movement of 1990 when he was in his early 30's and then in Janandolan II while he was in his 40s. He has spent seven years in prison in total.[14]
Nidhi was an elected twice as member to the Constituent Assembly from Dhanusha 3 of Dhanusha District.[22] He also served as member of House of Representatives from 1994 to 2008 as representative from Dhanusha 4.[23]
Nidhi, a close confidant of prime minister Sher Bahadur Deuba fielded candidacy for the post of party president leaving the camp in the 14th general convention of Nepali Congress.[24][25] He was able to gerner nearly 6% voters opening the way for second round of election as Deuba who obtained 48% votes was unable to cross 50% mark even after joining hands with leader Krishna Prasad Sitaula.[26][27] Later, Deuba asked Nidhi and Prakash Man Singh for their support and both leaders in absence of an alternative agreed to support Deuba.[28][29]
In the 2022 Nepalese general election, he chose to stand as a candidate for the House of Representatives from Proportional Representation list. He was elected as a member of House of Representatives from PR list of Nepali Congress on 14 December 2022.
In February 2023, he was the focal person in the gifting of two Shaligram stones from the Government of Nepal to the Shri Ram Janmabhoomi Teerth Kshetra, the stones would be used for the construction of the child form of the Hindu God Rama to be established in the Ram Mandir, Ayodhya. [30]
^"Minister and State Ministers" (pdf) (in Nepali). Singhdurbar, Kathmandu, Nepal: Ministry of Information and Communication. 13 December 1995. Retrieved 14 March 2019.
.jpg)
