He was awarded the J. Paul Getty Wildlife Conservation Prize for his work and is credited with preventing the extinction of Nepal's rhinos and tigers.

From there, he went to Indian Forest College Dehra Dun where he obtained his post graduate diploma (AIFC) in forestry and allied subjects.

[4] After spending some time working for Nepal's forestry department in both Kathmandu and Langtang, he went to the University of Edinburgh in 1969, where he earned his Master's degree (MSc) in Animal Ecology in 1971.

In 1978, he returned to Edinburgh for his PhD studying the prey species for Chitwan National Park's tigers and completed the work in 1982.

These scientific studies were often done through programs supported by the government of Nepal, the King Mahendra Trust for Nature Conservation, the Smithsonian Institution and the World Wildlife Fund.