Police, Intelligence & Security
Government postCBI Sub-Inspector
Entry track: Exam / recruitment-first · Direct recruitment
Where are you right now?
Typical time from here: 1–3 years
How you get in
UPSC CAPF, SSC CPO, SSC GD, state police examinations, IB recruitment, state PSC and specialised agency notifications
What you must have
10th / 12th / bachelor’s degree depending on post; mandatory physical, medical, and background standards
The gate that decides it
State police SI/DSP recruitment
First evidence to build
Fitness log
Your first 90 days
Days 1–30: eligibility and diagnostic in General studies; reasoning. Days 31–60: core practice in Written exam; physical efficiency. Days 61–90: complete Fitness log and obtain one external review.
Realistic first roles
- Police constable
- sub-inspector
- probationary officer
Core tools and platforms
The 9-phase route for this post
CBI Sub-Inspector follows the State Police Officer, SI & Investigation route.
Phase 0 · Target, Eligibility & Reality Check
Explore the work through career videos, informational interviews and one mini-task. Select school subjects/degree route that supports General studies; reasoning; law basics; language; physical fitness; communication. Record age, medical, licence or degree conditions from official notices.
Typical duration: 1–2 weeks
Phase 1 · Foundation & Academic Base
Strengthen school/college fundamentals in General studies; reasoning; law basics; language; physical fitness; communication. Use textbooks plus one structured course; solve weekly problems and practise communication.
Typical duration: 6–16 weeks
Phase 2 · Core Curriculum / Skill Stack
Complete a structured curriculum covering Written exam; physical efficiency; medical standards; criminal law/procedure basics; investigation documentation. Pair each topic with a lab, case, answer-writing exercise or practical task.
Typical duration: 3–9 months
Phase 3 · Applied Practice, Projects & Field Exposure
Build progressively harder evidence: Fitness log; FIR/case-study exercises; 20 mocks; document and medical readiness file. Seek internships, labs, clubs, competitions, volunteering or apprenticeship where appropriate.
Typical duration: 2–6 months
Phase 4 · Exam, Credential, Licence or Advanced Qualification
Plan prerequisites early. Use official syllabus/PYQs and preserve academic performance required for State police SI/DSP recruitment; state PSC for gazetted posts.
Typical duration: 3–18 months, route-dependent
Phase 5 · Experience, Network & Professional Evidence
Use college projects, AICTE internships, NCS, apprenticeships, research labs, volunteering and competitions aligned to State Police Officer, SI & Investigation.
Typical duration: 2–6 months, may overlap
Phase 6 · Portfolio, CV, Applications & Selection Preparation
Create a one-page student CV, project portfolio and concise introduction. Practise aptitude, subject and behavioural questions relevant to State Police Officer, SI & Investigation.
Typical duration: 4–12 weeks
Phase 7 · Selection, Joining & First 90 Days
During internship/first role, learn SOPs, safety, tools and team expectations. Keep a weekly learning and contribution log.
Typical duration: First 90 days
Phase 8 · Growth, Specialisation & Position-to-Position Progression
Understand the long ladder early: Investigation; cybercrime; intelligence; specialised units; promotion exams. Choose experiences that compound rather than random certificates.
Typical duration: 1–5 years per progression step
Other posts on the same route
Check it at the source
- https://upsc.gov.in/
- https://www.indiacode.nic.in/
- https://www.ncs.gov.in/
Verify the latest eligibility, age limits, and selection process from the official notification. Verify current eligibility, dates and recruitment rules from the official notification.