Sushil Koirala
In 1958, he keenly participated in Bhadra Abagya Aandalon (Civil Disobedience Movement) launched by the Nepali Congress.[citation needed] In 2001, he lost the leadership ballot for Nepali Congress' parliamentary party to former prime minister Sher Bahadur Deuba.[5][6] During his tenure as prime minister, his government was criticized for its slow aid response to the April 2015 Nepal earthquake.[7] A historic agreement among the country's four major political parties was also made that year, which paved the way for the promulgation of a new constitution.[9] He sought re-election but was defeated by KP Sharma Oli, leader of Congress' former coalition partners, the CPN (UML).