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Police
Verified Statutory Lexicon · Last Reviewed: Sep 07, 2026

Full Form of CBI

Official Full Form & Meaning
Central Bureau of Investigation
हिंदी अर्थ: केंद्रीय अन्वेषण ब्यूरो
Conducting / Regulatory Authority Department of Personnel and Training (DoPT)
Official Authority Portal cbi.gov.in

1. Official Mandate, Scope & Background

The Central Bureau of Investigation (CBI) is the premier domestic crime investigation agency of India, deriving its police investigative powers from the Delhi Special Police Establishment (DSPE) Act 1946. It investigates complex economic offenses, high-level corruption, and organized crimes referred by the Supreme Court or High Courts.

2. Eligibility Criteria, Qualifications & Age Limits

Sub-Inspector in CBI: Bachelor's Degree in any discipline from a recognized university. Age Limit: 20 to 30 years. Specific physical standards apply (Height: 165 cm for men, 150 cm for women; Eye sight: 6/6 in one and 6/9 in another eye).

3. Examination Scheme & Selection Procedure

Recruited directly through the SSC Combined Graduate Level (CGL) examination (Tier-I and Tier-II CBT) followed by Document Verification and Medical Fitness certification.

4. Core Syllabus & Key Subjects

Mathematical Abilities, Reasoning & Mental Aptitude, English Comprehension & Vocabulary, General Knowledge & Current Affairs, and Basic Computer Knowledge.

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