Last 5 year related upsc cms psm program
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UPSC CMS PSM Preventive Social Medicine previous year questions last 5 years 2020-2024
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UPSC CMS PSM questions 2020 2021 2022 2023 2024 topic wise analysis epidemiology nutrition national health programs
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Here is a detailed guide on UPSC CMS PSM (Preventive & Social Medicine) - Last 5 Years Analysis (2020-2024):
UPSC CMS PSM - Last 5 Years Overview
Exam Pattern (PSM in Paper II)
| Detail | Info |
|---|---|
| Paper | Paper II |
| Subjects in Paper II | Surgery + Gynaecology & Obstetrics + PSM |
| PSM Questions | ~40 out of 120 (approx. 33% of Paper II) |
| PSM Weightage | Consistently 15% of total marks across all years |
| Total Marks | 250 (Paper II) |
| Question Type | MCQs with 1/3 negative marking |
PSM Weightage - Year by Year (2020-2024)
| Year | PSM % of Total | Approximate Questions |
|---|---|---|
| 2024 | 15% | ~36-40 Qs |
| 2023 | 15% | ~36-40 Qs |
| 2022 | 15% | ~36-40 Qs |
| 2021 | 15% | ~36-40 Qs |
| 2020 | 15% | ~36-40 Qs |
PSM has maintained a rock-steady 15% share every year without exception.
High-Yield PSM Topics (Last 5 Years Trend)
1. Epidemiology & Biostatistics (Highest Frequency)
- Study designs - RCT, cohort, case-control, cross-sectional
- Measures of association: Relative Risk, Odds Ratio, Attributable Risk
- Screening tests: Sensitivity, Specificity, PPV, NPV
- Measures of central tendency and dispersion
- Tests of significance (chi-square, t-test)
- Epidemic investigation steps
- Herd immunity thresholds
2. National Health Programs (Very Frequently Asked)
- RMNCH+A (Reproductive, Maternal, Newborn, Child, Adolescent Health)
- NTEP (National Tuberculosis Elimination Programme) - targets, DOTS, drug regimens
- NVBDCP (National Vector Borne Disease Control Programme) - malaria, dengue, filaria
- National Iron Plus Initiative (NIPPI) / Anemia Mukt Bharat
- National Vitamin A Prophylaxis Programme
- ICDS (Integrated Child Development Services)
- PM POSHAN (Mid-Day Meal) - components and targets
- National Program for Prevention and Control of Fluorosis
- NHM (National Health Mission) - NRHM + NUHM structure
3. Communicable Diseases
- Malaria: vector, transmission, drug resistance, treatment
- Tuberculosis: DOTS, drug regimens, MDR/XDR TB
- HIV/AIDS: window period, PMTCT, ART
- Dengue, Chikungunya: vectors, clinical features
- Measles, Polio: immunization and eradication status
- Cholera, Typhoid: outbreak investigation
4. Vaccines & Immunization
- Universal Immunization Programme (UIP) schedule
- Cold chain management
- New vaccines added (Rotavirus, PCV, HPV, MR)
- Herd immunity thresholds for specific diseases
- Types of immunity (active/passive, natural/artificial)
5. Nutrition & Health
- Protein Energy Malnutrition (PEM) - Kwashiorkor vs Marasmus
- Mid Upper Arm Circumference (MUAC)
- Vitamin deficiencies: A, D, B12, Iron
- Anthropometric measurements in children
- Nutritional surveillance programs (ICDS, NHM)
6. Environmental Health
- Water purification and quality standards
- Sewage disposal methods
- Air pollution - indices, diseases
- Solid waste management
- Noise pollution limits
7. Health Administration & Planning
- Health indicators: IMR, MMR, TFR, CBR, CDR, Life Expectancy
- India's health system structure (Primary/Secondary/Tertiary)
- IPHS (Indian Public Health Standards)
- Health insurance: Ayushman Bharat, CGHS, ESIS
- International health organizations (WHO, UNICEF, UNFPA roles)
8. Occupational Health
- Pneumoconioses (Silicosis, Asbestosis, Byssinosis)
- Occupational exposure limits (OEL, TLV)
- Schedules under Factories Act
9. Demography & Health Statistics
- Census data - India-specific figures
- Demographic transition theory
- Fertility & mortality indices
- Family planning methods and their failure rates
Key Trends from 2020-2024
| Trend | Details |
|---|---|
| Increasing case-based Qs | 2023 & 2024 had more scenario-based MCQs vs pure recall |
| Government program updates | Questions regularly test newly launched schemes or updated targets |
| Biostatistics is consistent | 4-6 Qs on stats appear every year |
| National Programs heavily tested | 8-10 Qs per year from this area |
| Applied/practical emphasis | Focus on what a Medical Officer does in the field |
Important Recent Updates to Know (for 2025-2026)
- HIV/AIDS: Major policy changes in PMTCT and ART protocols (2023-24)
- TB Elimination target: Updated to 2025
- Ayushman Bharat PM-JAY: Coverage expansion
- UIP new additions: HPV vaccine, adult vaccination
- NHM restructuring updates
- Mosquito control: Biological methods (Wolbachia, sterile insect technique)
Best Resources for PSM Preparation
- Park's Textbook of Preventive and Social Medicine (K. Park) - the gold standard reference, available in the medical library
- Vivek Jain's PSM - popular for MCQ practice
- Official UPSC CMS question papers from UPSC official website - 2020 to 2025 papers are freely available
- Previous year Q papers with solutions - available at prepp.in
Download Links for PYQs
- Official UPSC papers (2020-2025): upsc.gov.in
- Paper-wise PDFs: pwonlyias.com CMS papers
- With solutions: prepp.in CMS papers
Quick Tip: PSM is one of the most predictable and high-scoring sections of UPSC CMS. National Health Programs, Epidemiology, and Biostatistics together account for roughly 60-70% of PSM questions. Focus your preparation on Park's textbook chapters on these three areas and practice PYQs year-wise from 2020 onward.
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