Tobdan (1944) belongs to Lahul. He is interested mainly in the study of Lahul in Himachal in the Western Himalaya, in respect of its history, languages, culture, etc. Incidentally, he has been studying the surrounding areas of Kullu, Kinnaur, Spiti, Zanskar, etc. on the same subjects. His first publication was ‘History and Religions of Lahul’ (1984) and the latest is ‘Ancient Lahul and Himalaya’ (2021). Some of his books relate to Kullu, Kinnaur, Spiti, etc. He has been a member of the Governing Body of the Himachal Arts, Culture and Language Academy, Shimla. He has been associated with the People’s Linguistic Survey of India, Himachal Section, Hindi, and English.