 From 1968–69, he served as a Fulbright Professor at Denison University in Ohio and taught Nepali History of Art.He was elected to head the Royal Nepal Academy in 1972 and, during two terms, he dedicated himself to further research of Nepalese painting and art history.In the years from 1982 to 1991, he published his groundbreaking studies on Nepalese art history, including "Early Sculptures of Nepal (1982)."