NIOS Books — accessible, exam-ready supplements.
NIOS material is written for self-study at the secondary and senior-secondary level, which makes it unusually well-suited to UPSC's structured-knowledge expectations. We list subjects covered, with direct links to the official PDFs.
Browse subjects
9 subjectsHistory
Political Science
Geography
Economics
Sociology
Public Administration
Science
Environment
Psychology
Other reference shelves
Across the HubNCERT, explained
Geography, History, Polity, Economy, Science, Sociology — chapter-by-chapter explainers.
Important Judgments
Landmark judgments organised by subject — Constitutional Law, Federalism, Rights, more.
Government Schemes
Central schemes by sector — Agriculture, Rural, Urban, Health, Education, more.
Data Bank
Living statistics — GDP, fiscal, NFHS, environment, rankings — kept current.
IGNOU Books
Free supplementary IGNOU books — History, Polity, Geography, Economics, more.
TN Board Books
Tamil Nadu state board books — long-trusted UPSC supplements.
NIOS Books
NIOS material — accessible, exam-ready, free to download.