Environment and Ecology
- Basic Concepts of Environment
- Ecosystem Components and Cycles
- Ecological Relationship (Ecological Pyramid)
- Desert Biome, Arctic and Alpine Tundra
- Major Biomes of the world
- Fresh Water Environment and Man Made Ecosystems
- Salient Characteristics of Major Biomes
- Biodiversity and Hotspots
- Himalayan Hotspot (formerly Eastern Himalayan Hotspot)
- Dehang-Dibang, Khangchendzonga & Agasthyamalai Biosphere Reserve