•Levels of biological diversity: genetic, species and ecosystem diversity
• Biogeographic zones of India; Biodiversity patterns and global biodiversity hot spots
•India as a mega-biodiversity nation; Endangered and endemic species of India
•Threats to biodiversity: Habitat loss, poaching of wildlife, man-wildlife conflicts, biological invasions
•Conservation of biodiversity: In-situ and Ex-situ conservation of biodiversity
•Ecosystem and biodiversity services: Ecological, economic, social, ethical, aesthetic and Informational value.