Official Secrets Act, 1923 Express Learning Management System (ELMS) One-Stop Solution for UPSC GS & Optional with High-Yield Notes & Mindmaps! GS Notes Optional Notes PYQs Study Hacks Prelims Sureshots (Repeated Topic Compilations) Current Affairs (Newsbits, Editorials & In-depths) General Studies (GS) 1 Ancient Indian History Medieval Indian History Modern Indian History Post-Independence Indian History World History Art & Culture Geography (World & Indian) Indian Society & Social Justice General Studies (GS) 2 Indian Polity Governance Indian Society & Social Justice International Relations General Studies (GS) 3 Indian Economy Environment Agriculture Internal Security Disasters & its Management Science & Technology General Science – Biology General Studies (GS) 4 – Ethics Syllabus-wise learning Geography History Political Science Sociology Anthropology Public Administration Psychology Philosophy Economics Prelims GS PYQs Retake Test (Paper 1) Mains GS PYQs (Solved) Study Hacks SIGN UP NOW Related Posts Indian Telegraph Act, 1885 28/04/2024 Indian Penal Code (IPC), 1860 28/04/2024 Bharatiya Nagarik Suraksha Sanhita (BNSS): Why Some Call It Revolution... 28/04/2024 / Judiciary/Justice Societies Registration Act, 1860 27/04/2024