The CSIR-National Botanical Research Institute (NBRI) is one of the constituent research institutes of the Council of Scientific and Industrial Research (CSIR), Department of Scientific and Industrial Research, Ministry of Science and Technology, Government of India, New Delhi. It is the premier plant research institution of India and is an institution of national importance. Originally set up as the National Botanic Garden (NBG) by the Government of United Province (U.P.) in 1948, it was taken over by the CSIR in 1953. Though initially engaged in research in the classical botany, the NBG went on laying an increasing emphasis on its applied and developmental research activities keeping the national needs as priority. With the changing mandate and R&D activities, the NBG was renamed as National Botanical Research Institute (NBRI) in 1978.
CSIR-NBRI has the following six broad areas of R & D and one S&T support area: