IFoS book preparation splits into two tracks: Prelims books (shared with CSE) and IFoS Mains books (science/forestry optionals + GK). Candidates should build their CSE Prelims base while simultaneously developing depth in their chosen two optional subjects.
Prelims Preparation (Same as UPSC CSE)
- NCERTs Class 6–12 (History, Geography, Polity, Economy, Science, Biology)
- Indian Polity – M. Laxmikanth
- Indian Economy – Ramesh Singh
- Certificate Physical & Human Geography – G.C. Leong
- Shankar IAS Environment (for Ecology and Environment questions)
IFoS GK Paper (Mains)
| Topic Area | Resource |
|---|---|
| Indian Forest Policy & Laws | Indian Forest Act 1927, Forest Conservation Act 1980, Wildlife Protection Act 1972 (bare acts) |
| Environmental Science | NIOS Environmental Science booklet + NCERT Class 12 Biology (Ecology) |
| General Science for GK | NCERT Class 6–10 Science |
| Current Affairs | The Hindu daily + PIB releases on forests, environment, wildlife |
Forestry Optional
| Book | Author | Best For |
|---|---|---|
| Textbook of Silviculture | Kadambi & Dabral | Silviculture (Core Forestry) |
| Forest Management | Champion & Seth | Forest Management concepts |
| Mensuration & Management of Forests | B.S. Negi | Forest Mensuration |
Botany Optional
- Plant Systematics – A.C. Dutta
- Botany for Degree Students (Series) – B.P. Pandey
- Plant Physiology – Taiz & Zeiger (for depth)
Zoology Optional
- A Manual of Zoology (Vol I & II) – Invertebrates & Vertebrates – Ekambar Narain
- Animal Physiology – C.L. Prosser
- Cell Biology, Genetics, Molecular Biology – P.S. Verma