GS-III covers Technology, Economic Development, Bio-diversity, Environment, Security and Disaster Management. Topics include: Indian economy, planning, resource mobilization; Inclusive growth; Government budgeting; Agriculture, irrigation, food security; Food processing industries; Land reforms; Liberalization effects; Infrastructure development; Science and technology applications; Environmental conservation, pollution; Disaster management; Internal security challenges; External threats; Communication networks security; Border area security; Security forces and agencies.