Sushil Prasad Koirala was a Nepalese politician and the Prime Minister of Nepal from 11 February 2014 to 10 October 2015. He was also President of the Nepali Congress from 2010 to 2016, having earlier served in various capacities in the party. He is also known as the "Father of Constitution" due to his major role in promulgation of The Constitution of Nepal.
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By the Factrail desk · Method: how we source and score · Last reviewed
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Sushil Koirala is a Nepali Congress leader who served as prime minister from 2014 to 2015 during the final push to adopt Nepal’s new constitution. The most useful way to place this record in context is to start with the institution or movement through which the person could actually exercise influence, rather than treating visibility as equivalent to control. Koirala, a veteran of the Nepali Congress, became prime minister in 2014 as Nepal’s parties tried to complete a constitution after years of transition following the end of the monarchy and civil war. That baseline is supported by Reuters via Investing.com (opens in a new tab), which anchors the chronology and the relevant office, legal proceeding, campaign or movement. The surrounding context matters because political and social outcomes are usually produced by coalitions, institutions and external constraints as well as individual choices. Koirala left office in October 2015 and died in February 2016, making his premiership a bounded episode in Nepal’s constitutional transition. A second source, [Government of Nepal archive](https://opmcm.gov.np/ (opens in a new tab)), helps distinguish the durable part of the record from later interpretation or reputation.
The documented record has two especially important strands. First, Koirala, a veteran of the Nepali Congress, became prime minister in 2014 as Nepal’s parties tried to complete a constitution after years of transition following the end of the monarchy and civil war. Second, The constitution was promulgated in September 2015 during his premiership. It created a new federal democratic framework but also triggered intense opposition among Madhesi groups and others who argued that representation and provincial arrangements were unfair. Read together, these events identify where Sushil Koirala had direct agency and where the person operated through a larger institution, coalition, court, company, union or movement. [Reuters via supports the first strand, while Government of Nepal archive (opens in a new tab) supports the second. That distinction prevents over-attribution: holding a title can create leverage, but it does not mean every outcome during a tenure was personally authored. At the same time, formal limits do not erase responsibility for decisions, testimony, organizing, bargaining or public advocacy that the evidence connects directly to Sushil Koirala.