Returning to Nepal, Tuladhar joined government service the same year as headmaster of the Engineering Section, Technical School under the Department of Education. In 1951, he became chief engineer of the Public Works Department where he was in charge of design, construction, maintenance and repair of government buildings, roads and bridges in Nepal. Construction of Tribhuvan Highway began in 1953 which marked the start of Nepal's drive towards modernization. In 1954, Tuladhar became a member of the executive committee of the Nepal Council of World Affairs. In 1955, Tuladhar went to
London and studied at the
Architectural Association School of Architecture from where he earned a certificate of post-graduate course in tropical architecture. He was appointed principal of Nepal Engineering Institute in Lalitpur in 1962, subsequently becoming the first dean of the
Institute of Engineering,
Tribhuvan University, Kathmandu in 1973. In 1977, he was appointed a member of the
Public Service Commission by the king of Nepal in which capacity he served till 1983. Tuladhar has co-authored with Ram Krishna Sharma a book on highway construction entitled
Manual of Highway Design and Construction which was published in 1960. ==Awards==