Krishna Deva was an eminent scholar of Indian Art, Architecture, and Archaeology. He retired as Director, Archaeological Survey of India. He had the distinction of assisting the famous explorer Sir Aurel Stein in his archaeological explorations in Rajasthan, Bahawalpur and Baluchistan during 1940-1. He was also actively associated with Sir Mortimer Wheeler's excavations in India between 1944 and 1947. In addition, he conducted excavations at Rajaghat (Varanasi), Nagar near Jaipur, Vaisali and Kumrahar (Pataliputra). He had classified and reported on the pottery from Taxila, Arikamedu and Harappa. In addition to organizing the Temple Survey Project (North Region) of the Archaeological Survey of India, he was also deputed by the Government of India to make an Iconographical and Sculptural Survey of the images in Nepal.