Dr Banke Bihar Nagaich was born 11th August, 1931 at Rath, District Hamiurpur (Uttar Pradesh). In the year 1955 be obtained M.Sc. (Ag.) Degree in Plant Pathology from Agra University. Later he obtained his Doctoal Degree from the University of Illinois (US). During his stay at Illionis he assisted Prof. Thornberry in survey in survey and aurveillance work on plant viruses.  

Dr. Nagaich joined the Indian agricultural Research Institute at its Regional Station at Shimla in 1958 and continued to work there till 1963, he joined the Central Potato Research Institute, Shimla where he worked as a virologist and as head, Division of Plant pathology in close association with Dr. Pushkarnath and Mr. Mukhtar Singh. In October 1975, Dr Nagaich took over as the Director of Central Potato Research Institute, Shimla and retired from this post in 1982. Presently, he is the Director General, Bundelkhand Farm Development Centre, UP and the Advisor, Vegepro Food & Feeds Ltd. 

Dr. B.B. Nagaich is a founder Life member of Indian Potato Association (IPA). He was its President during 1976-78 and 1980-81. He was also the first Editor-in -Chief of the Journal of Indian Potato Association. He was the Secretary General of Asian Potato Association in 1979. He is a member of European Association of Potato Research and Triennial Conferences. Dr. Nagaich is also the Life Member of Indian phytopathological Society (IPS), Association of Microbiologists if India and Bundelkhand Farm Development Society. He was the President of IPS in 1982. He was a member of the Scientific Panel of ICAR from 1967 to 1970 and Science Information Service in Photobiology under FAO. He has been nominated on several State level committees dealing with agriculture and horticulture in U.P.Dr Nagaich was honoured with Guiness Award in 1979, Kheti award in 1980 and Prof. Narsimha Award in 1984.