He is a widely travelled scholar, who has visited and attended international conferences and seminars held in Pakistan, the United Kingdom, Iran, the United States of America, Germany, Egypt, Australia, Thailand, Singapore, Hongkong, Malaysia, Mexico, Canada and Japan. He is associated with many national and international societies such as All India Oriental Conference, Pune; Guru Nanak Foundation, New Delhi; P.E.N., Bombay; Royal Asiatic Society of Great Britain and Ireland, London; Societe Asiatique, Paris; Folklore Society, London; Society for Asian Folklore, Bloomington; Association of British Orientalists, London; American Oriental Society, New Haven; Britannica Society, Edinburgh, etc. He has delivered innumerable lectures on literary, historical, religious, cultural, and academic topics at various Indian and foreign universities/institutions. He is the author of seventy-one books”original and annotated.
His main original works are Usarda Punjab (1954); Sassi-Hashim (1956) unique for research, critical acumen, comparative study, comprehensiveness, and annotation. Roti beti di sanjh (1959); Punjabi parakh parchol ”-janam te vikas (I960): Puran Singh da Punjab piar (1968); Bhai Vir Singh te unahan di den(1972); Bhai Vir Singh da sandesh (1973); Guru Nanak da Shahakar Japji (1975). In addition to Punjabi he has written books in English as well, such as: Sayings of Guru Nanak (1969); Guru Nanak in His Own Words (1970); Guru Nanak's Moral Code, (1970); God as Known to Guru Nanak (1971); Guru Nanak The man and His Mission (1974); So Said Guru Amar Dass (1985); Teachings of Guru Nanak, (1986). He is considered to be an authority on Punjabi medieval literature, Sikh theology and history. He won special awards from the Punjab Government in 1968 for his contribution to Punjabi literature and in 1978 for Guru Nanak's Shahkar Japji.
1. Amarjit Singh, Punjabi sahit da itihas ”Qissa kal, Amritsar, 1981.
2. Encyclopaedia of Indian Literature, 6 Vols., Delhi, 1995.
3. Kohli, S.S., Punjabi Sahit da Itihas, Ludhiana, 1955.
4. Mohan Singh, A History of Punjabi Literature, Amritsar, 1956.
5. Ramdev, Jaginder Singh (ed.), Punjabi Likhari Kosh, Jullundur, 1964.
6. Sekhon, S.S. and K.S. Duggal, A History of Punjabi Literature, Delhi, 1992.
7. Singh, N.K., Encyclopaedia of Indian Biography, Delhi, 2000.