Regional Agricultural Research and Development Center, Aralaganwila has responsibilities to develop relevant technologies and putting them in to practice in the mandated regions of the Mahaweli Systems B, C, D & G and inter provincial areas of Ampara, Batticaloa and Mahiyangana,. Other than the regional programs, the center collaborates in the nationally coordinated research and development activities. Though, the center administratively responsible for research and development activities of Other Field Crops, it deals with rice as well as fruits and vegetables considerably. The research program is executed under different disciplines of Agronomy, Entomology, Genetics and Plant Breeding, Plant Pathology, Socio-economic and Soil & Water Management.