CISF - Central Industrial Security Force — Complete Guide 2026

The Central Industrial Security Force (CISF) Exam is a national-level recruitment test conducted by the Ministry of Home Affairs, Government of India, to select constables, sub‑inspectors, and officers for the CISF. The exam is part of the broader defence and police recruitment framework and is held annually, usually in the first half of the year. Candidates who clear the written test are called for physical efficiency tests, medical examinations, and interviews before final selection. Successful candidates enjoy a prestigious career in a paramilitary force responsible for safeguarding critical infrastructure, airports, nuclear installations, and major public utilities across the country. The role offers job security, attractive salary, pension benefits, and opportunities for rapid promotion based on performance and seniority. CISF recruitment is highly competitive, attracting thousands of aspirants from diverse educational backgrounds. The exam assesses a candidate’s aptitude, reasoning ability, general awareness, and physical fitness, aligning with the rigorous standards required for a security force. The selection process is transparent, with clear eligibility criteria and a merit‑based ranking system. Moreover, the CISF provides extensive training at its academies, preparing recruits for real‑world security challenges and leadership roles within the force. The importance of the CISF Exam extends beyond individual career prospects. It contributes to national security by ensuring a steady supply of well‑trained personnel to protect vital assets. For aspirants, the exam serves as a gateway to a respected uniformed service, offering a sense of duty, discipline, and the chance to serve the nation. With the growing emphasis on internal security, the demand for qualified CISF personnel is expected to rise, making this exam a valuable opportunity for those seeking a stable and rewarding career in defence and police services.

Age Limit: Candidates must be between 18 and 27 years of age as of the last date of application. Age relaxation of up to 5 years is available for SC/ST, OBC (non‑creamy layer), and Ex‑Servicemen as per government norms. Educational Qualification: For Constable posts, a minimum of 10th standard (SSC) with at least 45% marks (40% for reserved categories) is required. For Sub‑Inspector, a graduate degree (any discipline) with a minimum of 45% marks (40% for reserved categories) is mandatory. Candidates must possess a valid Physical Standard Test (PST) certificate. Nationality: The exam is open to Indian citizens only. Persons of Indian origin (PIO) and Overseas Citizens of India (OCI) are not eligible. Number of Attempts: There is no restriction on the number of attempts for the CISF Exam, provided the candidate meets the age and educational criteria each time they apply.

The CISF Exam consists of a single objective‑type paper for each post. Constable (General) – 100 questions, 100 marks, 2 hours. Sub‑Inspector – 150 questions, 150 marks, 2.5 hours. Each question carries 1 mark. Negative marking of 0.25 marks is applied for every incorrect answer. The question paper is divided into four sections: General Intelligence & Reasoning (25% of total questions), General Awareness (25%), Numerical Ability (25%), and English Language (25%). The exam is conducted in offline (pen‑and‑paper) mode, and answer sheets are scanned for evaluation. The cutoff varies each year based on difficulty level and number of vacancies.

1. General Intelligence & Reasoning: Analogies, Series, Coding‑Decoding, Blood Relations, Direction Sense, Syllogism, Puzzle, Non‑Verbal Reasoning, Data Sufficiency. 2. General Awareness: Current affairs (last 12 months), Indian Polity, History, Geography, Economy, Science & Technology, Sports, Awards, and CISF specific knowledge. 3. Numerical Ability: Arithmetic (Percentages, Ratio & Proportion, Simple & Compound Interest, Profit & Loss, Time & Work, Speed & Distance), Algebra, Data Interpretation, Number Series, Geometry. 4. English Language: Vocabulary (Synonyms, Antonyms), Grammar (Error Spotting, Fill in the Blanks, Sentence Rearrangement), Comprehension, Spotting Errors, Idioms & Phrases. 5. Physical Efficiency Test (PST): Running (100 m), Long Jump, High Jump, and other fitness parameters as per CISF guidelines (applicable for Sub‑Inspector and Constable).

Typical CISF Exam Calendar (subject to change): - Notification Release: January – February - Online Application Start: February – March - Last Date for Application: March – April - Admit Card Release: April – May - Written Examination: May – June - Physical Efficiency Test (PST): June – July - Result Announcement: July – August - Final Selection & Training Commencement: September – October Candidates should always verify the exact dates on the official CISF website.

1. Create a 12‑week study plan allocating dedicated time for each of the four sections, with weekly mock tests to track progress. 2. Use "Arihant’s CISF General Knowledge" and "CISF Competitive Exam Guide" for current affairs and static GK. 3. Practice reasoning daily from "Analytical Reasoning" by M. K. Pandey to improve speed and accuracy. 4. Solve numerical problems using "Quantitative Aptitude for Competitive Exams" by R.S. Aggarwal; focus on shortcuts for percentages and ratios. 5. Strengthen English vocabulary with "Word Power Made Easy" and daily reading of reputable newspapers. 6. Take full‑length mock tests on InetExam.in to simulate exam conditions and develop time‑management skills. 7. Review mock test solutions thoroughly; identify weak areas and revise those topics immediately. 8. Join a study group or online forum to discuss difficult questions and share resources. 9. Maintain a physical fitness routine (running, jumping) to meet PST requirements. 10. Keep a concise notebook of formulas, important dates, and shortcut methods for quick revision before the exam.

1. **What is the minimum educational qualification for CISF Sub‑Inspector?** A graduate degree in any discipline with at least 45% marks (40% for reserved categories) is required. 2. **Is there any age relaxation for OBC candidates?** Yes, OBC (non‑creamy layer) candidates receive a relaxation of up to 3 years in the upper age limit. 3. **How many attempts can I make for the CISF Exam?** There is no limit on the number of attempts, provided the candidate meets the age and educational criteria each time. 4. **What is the negative marking scheme?** For each wrong answer, 0.25 marks are deducted from the total score. 5. **Can I appear for both Constable and Sub‑Inspector exams in the same year?** Yes, candidates can apply for both posts if they satisfy the respective eligibility requirements. 6. **What documents are required for the PST?** A valid PST certificate issued by a recognized authority, along with a recent passport‑size photograph and ID proof. 7. **How is the final merit list prepared?** The merit list is based on the total marks obtained in the written exam, PST score, and interview performance, with weightage as specified in the official notification. 8. **Where can I download the official syllabus and exam pattern?** The complete syllabus and pattern are available on the official CISF recruitment portal (cisp.gov.in) and on InetExam.in under the CISF exam section.