DIRECTORATE OF RESEARCH DIRECTORATE OF EXTENSION EDUCATION CENTRE FOR PLANT MOLECULAR BIOLOGY AND BIOTECHNOLOGY DIRECTORATE OF CENTRE FOR PLANT BREEDING AND GENETICS DIRECTORATE OF CENTRE FOR PLANT PROTECTION STUDIES CENTRE FOR STUDENTS WELFARE WATER TECHNOLOGY CENTRE DIRECTORATE OF NATURAL RESOURCE MANAGEMENT DIRECTORATE OF PLANNING AND MONITORING CONTROLLER OF EXAMINATIONS TAMIL NADU RICE RESEARCH INSTITUTE - ADUTHURAI DIRECTORATE OF CROP MANAGEMENT CENTRE FOR AGRICULTURAL AND RURAL DEVELOPMENT STUDIES (CARDS) DIRECTORATE OF AGRI BUSINESS DEVELOPMENT (DABD) DIRECTORATE OF OPEN AND DISTANCE LEARNING DIRECTORATE OF SEED CENTRE