Abbreviations and Acronyms Used in Optional Subjects of UPSC

Introduction
In the UPSC (Union Public Service Commission) examination, candidates have the option to choose from a wide range of subjects for their optional paper. Each subject has its own set of abbreviations and acronyms that are commonly used. These abbreviations and acronyms are important to understand for better comprehension of the subject and to write precise answers in the examination. Here are some commonly used abbreviations and acronyms for optional subjects in the UPSC examination:

1. History
- NCERT: National Council of Educational Research and Training
- ICHR: Indian Council of Historical Research
- ASI: Archaeological Survey of India
- MPPSC: Madhya Pradesh Public Service Commission
- UPSC: Union Public Service Commission

2. Geography
- GIS: Geographic Information System
- GPS: Global Positioning System
- FAO: Food and Agriculture Organization
- IPCC: Intergovernmental Panel on Climate Change
- UNFCCC: United Nations Framework Convention on Climate Change

3. Political Science
- UN: United Nations
- NATO: North Atlantic Treaty Organization
- EU: European Union
- WTO: World Trade Organization
- NGO: Non-Governmental Organization

4. Sociology
- Caste: The traditional Hindu social hierarchy
- NGO: Non-Governmental Organization
- NAC: National Advisory Council
- UNDP: United Nations Development Programme
- ILO: International Labour Organization

5. Economics
- GDP: Gross Domestic Product
- RBI: Reserve Bank of India
- IMF: International Monetary Fund
- WTO: World Trade Organization
- FDI: Foreign Direct Investment

6. Public Administration
- IAS: Indian Administrative Service
- IPS: Indian Police Service
- IFS: Indian Foreign Service
- BPR: Business Process Reengineering
- RTI: Right to Information

7. Psychology
- IQ: Intelligence Quotient
- OCD: Obsessive-Compulsive Disorder
- PTSD: Post-Traumatic Stress Disorder
- SSI: Self-Structured Interview
- DSM: Diagnostic and Statistical Manual of Mental Disorders

Conclusion
These are just a few examples of the abbreviations and acronyms used in the optional subjects of the UPSC examination. It is important for candidates to familiarize themselves with the relevant abbreviations and acronyms to effectively study the subject and write concise answers in the examination. The knowledge of these abbreviations and acronyms will not only enhance the understanding of the subject matter but also help in saving time during the examination.