NBSSLP was established at

Answer: Option D

NBSSLP stands for National bureau of soil survey and Land use planning. Government of India established All India Soil Survey Organisation in 1956 with Headquarters at IARI, Nagpur with five regional soil correlation centers. Later in 1958, the land use planning Scheme was also integrated with it. In 1976 it became an independent institute of ICAR named NBSS & LUP and continued to function at IARI, New Delhi. But later in June 1978, the headquarters was shifted back to Nagpur.