Introduction to MPSC Combined Group B: Police Sub Inspector (PSI)

The Maharashtra Public Service Commission (MPSC) conducts the Subordinate Services Non-Gazetted Group B examination annually, which is one of the most competitive and highly anticipated recruitment drives in the state of Maharashtra. Among the various posts offered through this combined examination—such as Assistant Section Officer (ASO) and State Tax Inspector (STI)—the post of Police Sub Inspector (PSI) holds a distinct and highly prestigious position. The PSI is the backbone of the state’s law enforcement machinery, serving as the primary investigating officer who directly interacts with the citizenry and maintains local public order.

Historically, the evolution of the police administration in Maharashtra can be traced back to the British colonial era, notably structured under the Police Act of 1861 and later codified for the state through the Bombay Police Act, 1951 (now renamed the Maharashtra Police Act, 1951). The administrative setup was designed to transition from a colonial force focused on suppressing dissent to a democratic welfare-state organization dedicated to crime prevention, criminal investigation, and the protection of fundamental human rights. In this modern setup, the Police Sub Inspector functions at the grassroots level of the police hierarchy. According to the Code of Criminal Procedure (CrPC), now transitionally aligned with the Bharatiya Nagarik Suraksha Sanhita (BNSS), a Sub Inspector is the lowest-ranking officer empowered by law to file a charge sheet in court and personally conduct investigations of cognizable offenses.

For civil services aspirants, the PSI designation is not merely a government job but a calling that demands a unique blend of intellectual acumen, emotional resilience, and physical capability. The examination process reflects these diverse demands, testing candidates across three rigorous phases: a written Preliminary Examination, a specialized Mains Examination, a deman %;”>Why it occurs

How to avoid it Neglecting Paper 1 Languages Overconfidence in language skills and over-allocation of time to law subjects. Allocate at least 30% of your Mains preparation time to daily Marathi and English grammar practice. Starting PET Practice post Mains results Belief that physical fitness can be built quickly in the 30-45 days window between results and PET. Start mild conditioning (running, basic exercises) during Prelims itself, escalating intensity after the Mains exam. Rote memorization of laws without context Studying law sections in isolation without looking at practical application or constitutional validity. Study laws using case studies, landmark judgments, and relate procedural laws (CrPC/BNSS) with the duties of a PSI. Poor time allocation in Prelims Getting stuck on complex math/reasoning questions, leaving no time for GS questions. Follow a strict time-budgeting strategy: solve GS and Current Affairs first (35-40 mins), then tackle Aptitude and Reasoning.

Recommended Reference Books

SubjectReference BooksCore Focus Areas
Indian PolityIndian Polity by M. Laxmikanth
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Constitution, Police Acts, Fundamental Rights & Duties.
HistorySpectrum (Modern India)
Spectrum on Amazon →
Freedom Struggle, Post-Independence India, Maharashtra History.
General KnowledgeLucent’s General Knowledge
🛒 Buy / Check Price →
Science, Awards, Current Affairs, Sports, Polity basics.
GeographyMajid Husain, NCERT (11 & 12)
Majid Husain on Amazon →
Maharashtra geography, maps, rivers, natural regions.

📚 Recommended Books for MPSC PSI (Police Sub Inspector)

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🏛️
Indian Polity
M. Laxmikanth | McGraw Hill | 8th Edition 2025

Essential for Law & Constitution sections in PSI Mains Paper II.

🏷️ ~₹550–700 — check for current discounts
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A Brief History of Modern India
Rajiv Ahir | Spectrum Books | 2025

Covers the History syllabus for PSI Group B — concise and high-yield.

🏷️ ~₹300–450 — check for current discounts
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Lucent’s General Knowledge
Lucent Publications | 15th Revised Edition 2025

Quick GK revision tool — ideal for PSI Prelims MCQ format covering Science, History, Geography.

🏷️ ~₹200–350 — check for current discounts
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Geography of India
Majid Husain | McGraw Hill | 11th Edition

Map-based geography — tested in MPSC Group B Prelims regularly.

🏷️ ~₹400–550 — check for current discounts
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🏃 MPSC PSI Physical Criteria 2026 — Complete Standards

This section covers the official Physical Eligibility Criteria and Physical Efficiency Test (PET) standards for the Police Sub Inspector (PSI) post under MPSC Combined Group B examination. Candidates must satisfy all criteria — written exam rank alone is not sufficient.

⚠️ Important: Physical standards are checked at the time of document verification after Mains. Disqualification at the PET/physical stage means losing your candidature even if you cleared Prelims & Mains. Start physical conditioning from Day 1 of your preparation.
👨 Physical Measurement Standards — Male Candidates
Category Height (cm) Chest (Unexpanded) Chest (Expanded) Minimum Expansion
Open / General 165 cm 79 cm 84 cm 5 cm
ST (Adivasi) 160 cm 76 cm 81 cm 5 cm
SC / OBC / VJNT / SBC 163 cm 79 cm 84 cm 5 cm
Ex-Serviceman As per service record Chest standard relaxed per service norms
👩 Physical Measurement Standards — Female Candidates
Category Height (cm) Weight (kg) Notes
Open / General 157 cm 45 kg Weight proportionate to height
ST (Adivasi) 152 cm 40 kg Relaxation for tribal candidates
SC / OBC / VJNT / SBC 155 cm 45 kg
Ex-Servicewomen As per service record As per service record
🏆 Physical Efficiency Test (PET) — Event Standards

PET is conducted after the Mains written exam. All events are qualifying in nature (pass/fail) — they do not add marks to the merit list. Failure in any single event results in disqualification.

🏃 800m Run — Male
General / OBC / SC2 min 40 sec
ST Category2 min 50 sec
Ex-Serviceman3 min 00 sec
Attempts1 attempt only
🏃 800m Run — Female
General / OBC / SC4 min 00 sec
ST Category4 min 15 sec
Ex-Servicewomen4 min 30 sec
Attempts1 attempt only
↔️ Long Jump — Male
General / OBC / SC3.75 metres
ST Category3.60 metres
Ex-Serviceman3.00 metres
Attempts3 attempts
↔️ Long Jump — Female
General / OBC / SC3.00 metres
ST Category2.75 metres
Ex-Servicewomen2.50 metres
Attempts3 attempts
⬆️ High Jump — Male
General / OBC / SC1.10 metres
ST Category1.05 metres
Ex-Serviceman0.90 metres
Attempts3 attempts
⬆️ High Jump — Female
General / OBC / SC0.90 metres
ST Category0.85 metres
Ex-Servicewomen0.75 metres
Attempts3 attempts
🔄 Shot Put — Male Only
Ball weight7.26 kg
General / OBC / SC5.60 metres
ST Category5.00 metres
Ex-Serviceman4.50 metres
🔄 Shot Put — Female Only
Ball weight4 kg
General / OBC / SC3.75 metres
ST Category3.25 metres
Ex-Servicewomen3.00 metres
🩺 Medical Fitness Standards
👁️
Vision (Eyesight) Distant vision: 6/6 (better eye) & 6/9 (worse eye) without glasses. Colour vision must be normal. Night blindness = disqualified.
👂
Hearing No significant hearing impairment. Must hear conversational speech clearly at 6 metres without aids.
🫀
Cardiovascular No history of heart disease, hypertension, or any cardiac condition. Blood pressure within normal range.
🦷
Teeth & Speech Sufficient natural teeth for efficient mastication. No speech defects or stammering.
🦴
Orthopaedic No physical deformity. Flat foot, knock knee, or varicose veins = disqualified.
🧠
Mental Health No history of mental illness, epilepsy, or any neurological disorder.
🩸
General Fitness No diabetes, no chronic disease, BMI within normal range. Haemoglobin ≥ 12 g/dL (female) / 13 g/dL (male).
📋
Medical Board Final medical examination is conducted by a government-constituted medical board. Their decision is binding.
💪 Training Strategy: Begin running 800m daily from Month 1 — target sub-2:30 (male) or sub-3:45 (female) for a safety buffer. Practice long jump & high jump at least 3× per week. Get a medical eye test early — if your vision is borderline, consult an ophthalmologist well before the exam. Do not wait until after Mains results to start physical conditioning — the PET window is typically only 30–45 days after Mains results are declared.

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