1. Physiography
Indian geography starts with the physical divisions of the country. Learn them as location plus economic meaning.
- Himalayas: northern mountain barrier, source of perennial rivers, climatic shield.
- Northern Plains: fertile alluvial belt, dense population, intensive agriculture.
- Peninsular Plateau: old rocks, minerals, black soil zones, river valleys.
- Coastal Plains: ports, fisheries, deltas, trade links.
- Desert and Islands: climate extremes, strategic importance, and tourism.