Correct option is A
The National Dairy Research Institute (NDRI), located in Karnal (Haryana).
· It is one of the premier research institutes in the dairy sector in India. The institute was established in 1923 as the Imperial Institute of Animal Husbandry and Dairying in Bangalore. It was renamed as the National Dairy Research Institute. The headquarters of the Director of Dairy Research were shifted to Karnal in June 1955