Tamil Nadu SI (Sub-Inspector) Exam Guide — Eligibility, Pattern & Preparation Tips

The Tamil Nadu Uniformed Services Recruitment Board (TNUSRB) conducts the recruitment exam for Sub-Inspector posts in Tamil Nadu Police. The SI post is a direct officer-rank entry into the police force, making it one of the most competitive state-level exams.

Tamil Nadu Police SI offers a commanding position with Grade Pay ₹4,200, opportunities for promotion, and the responsibility of maintaining law and order.

Eligibility Criteria

Age Limit

Educational Qualification

• Minimum: Bachelor's degree from a recognized university
• Any discipline accepted

Physical Standards

Male: Height 165-170 cm (varies by category), Chest 79/84 cm Female: Height 150-157 cm (varies by category)

Exam Pattern

Stage 1: Written Examination

Exact pattern varies by notification — some states use different mark distributions.

• Duration: 2-3 hours
• Type: Objective (MCQ)
• Negative marking: Typically 0.25 per wrong answer

Stage 2: Physical Efficiency Test

Male: Running (1.6-4.8 km varies by state), Long Jump, High Jump, Shot Put Female: Running (shorter distance), Long Jump

Stage 3: Document Verification & Medical

Syllabus Overview

General Knowledge

• History, Geography, Polity, Economy, Science, Tamil Nadu-specific GK, Current Affairs

Reasoning & Mental Ability

• Logical reasoning, Analogies, Series, Blood relations, Coding-decoding, Directions

Quantitative Aptitude

• Arithmetic, Number system, Percentage, Ratio, Time & Work, Data Interpretation

Language

• Grammar, Comprehension, Vocabulary, Sentence correction

How to Apply

1. Visit the official website at tnusrb.tn.gov.in
2. Find the SI recruitment notification
3. Register with valid credentials
4. Fill the application form completely
5. Upload photo and signature
6. Pay fee and submit

Application Fee

Exact fee as per notification.

Salary & Benefits

• Pay Scale: ₹35,400 – ₹1,12,400 (7th CPC equivalent)
• Grade Pay: ₹4,200
• DA, HRA, uniform allowance, and other benefits
• Medical benefits, pension (NPS)
• Promotion path: SI → Inspector → DSP

Preparation Tips

1. State GK: Study Tamil Nadu-specific history, geography, and government schemes
2. Reasoning practice: Daily practice of reasoning puzzles and series
3. Physical fitness: Start running and stamina building at least 6 months early
4. Mock tests: Take weekly full-length tests
5. Current affairs: Follow national and state news daily

Frequently Asked Questions

Is graduation mandatory for Tamil Nadu SI?

Yes, a Bachelor's degree is required for the SI post.

Is there an interview?

Most states have eliminated the interview. Selection is based on written exam + PET.

What is the physical test for female candidates?

Female candidates have relaxed physical standards — shorter running distance and lower height requirements.

Can other state candidates apply?

Yes, but reserved category benefits typically require state domicile.

How is the final merit prepared?

Final merit is based on written exam marks (Mains) with PET being qualifying.

What is the promotion path for SI?

SI → Inspector → Deputy Superintendent of Police (DSP) through departmental exams and seniority.