He was the Jhapa District President of Nepali Congress (Democratic).
[2] In April 2008, he won the Jhapa-5 seat in the Constituent Assembly election with 16466 votes.
[3] Budhathoki was inducted in the central working committee of Nepali Congress on 25 February 2012.
[4] He was appointed zonal coordinator of Sagarmatha region on 28 April 2013.
[5] Budhathoki died from prostate cancer on 5 February 2024, at the age of 80.