- The Railway Recruitment Boards (RRBs) have officially activated the link for the Computer Based Aptitude Test (CBAT / Psycho Test) Exam City Intimation Slip and e-Call Letter under Centralized Employment Notice (CEN) No. 06/2025 (NTPC Graduate Level).
What You Will Find Here
Candidates who cleared the Computer Based Test Stage-2 (CBT-2) and opted for high-responsibility operational postsβspecifically Station Master (Pay Level 6) and Traffic Assistant (Pay Level 4)βcan now access their exam center location, reporting schedule, and final hall tickets. The login gateway is active on the centralized portal at rrbapply.gov.in and across all 21 regional RRB portals.
Entry into the CBAT testing lab requires candidates to produce the physical admit card, mandatory biometric authentication, and a completed Original Eye Fitness Certificate (Annexure VI-A) certified by an eye specialist.
- Below is an exhaustive master guide covering the CBAT structure, 5 test batteries, T-Score calculation formula, A-2 medical vision requirements, regional portal links, step-by-step download instructions, and RK Advice tips.

RRB NTPC CEN 06/2025 CBAT: Fast Overview
| Recruitment Parameter | Official Specification Details |
| Recruitment Authority | Railway Recruitment Boards (RRBs), Ministry of Railways, Govt. of India |
| Notification Identifier | CEN No. 06/2025 (NTPC Graduate Categories) |
| Target Posts Requiring CBAT | Station Master (Pay Level 6) & Traffic Assistant (Pay Level 4) |
| Selection Phase | Stage-3: Computer Based Aptitude Test (CBAT / Psycho Examination) |
| Shortlisting Benchmark | 8 Times (8x) the total category-wise vacancies shortlisted from CBT-2 |
| Exam City Intimation Slip | Released 10 Days Prior to the candidate’s scheduled test date |
| Final Admit Card Release | 4 Days Prior to the individual examination date |
| Final Merit Weightage | 70% Marks from CBT-2 + 30% Marks from CBAT (T-Score) |
| Negative Marking Policy | No Negative Marking (Zero Penalty for incorrect answers) |
| Mandatory Medical Standard | A-2 Medical Fitness (Strict uncorrected distance vision: 6/9, 6/9) |
| Login Credentials Required | Registration Number / Registered Mobile Number & Password / Date of Birth |
| Official Central Application Hub | rrbapply.gov.in & 21 Regional RRB Portals |
Critical Examination Schedule & Timelines
| Recruitment Event Milestone | Official Scheduled Timeline | Operational Status |
| CBT-1 & CBT-2 Written Examinations | Conducted across multi-shift windows | Completed |
| Publication of CBT-2 Scorecards & Shortlist | 8x candidates qualified per vacancy | Declared |
| CBAT Advance Exam City Intimation Slip | Live 10 days before scheduled shift | Active Online |
| SC/ST Free Railway Travel Pass | Available with City Intimation Slip | Active Online |
| Final CBAT e-Call Letter / Admit Card | 4 Days before designated exam date | Live / Active |
| Computer Based Aptitude Test (CBAT) Window | Multi-shift assessment across designated hubs | Underway |
| Publication of Composite Merit Scores | Post calculation of 70:30 weighted scores | Upcoming |
| Document Verification (DV) & Medical Fitness | Final administrative screening phase | Upcoming |
Shift Timings and Reporting Schedules
CBAT sessions require extensive system calibration, individual test briefing, and biometric screening. Candidates must adhere strictly to their allotted shifts:
| Examination Shift | Candidate Reporting Time | Venue Gate Closing Time | System Briefing & Test Start |
| Shift 1 (Morning Session) | 07:30 AM | 08:30 AM | 09:00 AM |
| Shift 2 (Afternoon Session) | 11:30 AM | 12:30 PM | 01:00 PM |
| Shift 3 (Evening Session) | 03:00 PM | 04:00 PM | 04:30 PM |
(Important: Venue gates close strictly 30 minutes before the scheduled session. Latecomers are not permitted entry under any circumstances).
What is CBAT and Why is it Mandatory?
The posts of Station Master and Traffic Assistant are directly responsible for train movements, route interlocking, track authorization, and passenger safety across the Indian Railways network. A split-second error or cognitive lapse on duty can lead to catastrophic accidents.
Because academic written tests assess memorization and problem-solving, the Ministry of Railways utilizes the Computer Based Aptitude Test (CBAT)βdesigned by the Research Designs and Standards Organisation (RDSO), Lucknowβto evaluate cognitive capabilities:
[Mental Alertness] βββΊ [Concentration & Focus] βββΊ [Visual Spatial Scanning] βββΊ [Decisive Safety Judgment]
Core Regulatory Rules Governing CBAT:
- Qualifying T-Score Rule: Candidates must achieve a minimum T-Score of 42 marks in each of the 5 test batteries independently. Scoring exceptionally high in four batteries but securing 41.5 in the fifth results in immediate disqualification.
- Zero Category Concession: The minimum qualifying benchmark of 42 T-Score applies equally to all candidates. No relaxation in qualifying marks is granted to SC, ST, OBC-NCL, EWS, or Ex-Servicemen categories.
- No Negative Marking: There is no negative marking penalty in any battery. Candidates should attempt as many questions as they can solve accurately within the time limit.
- Medium of Test: The test interface is fully bilingual, accessible in English and Hindi. Language options can be toggled on screen.
- Final Merit Integration (70:30 Ratio): For candidates who qualify in all 5 batteries, final selection merit is computed as:
$$\text{Final Merit Score} = \left(\frac{\text{CBT-2 Score}}{120} \times 70\right) + \left(\frac{\text{Composite CBAT T-Score}}{\text{Max Battery T-Score}} \times 30\right)$$
The 5 Test Batteries: Detailed Syllabus & Examination Pattern
Before each test battery begins, the software provides a 2 to 3-minute instructional guide and practice trial with sample problems to familiarize candidates with keyboard shortcuts and mouse clicks.
βββββββββββββββββββββββββββββββββββββββββββ
β RDSO CBAT Structure: 5 Test Batteries β
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β
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βΌ βΌ βΌ βΌ βΌ
1. Intelligence 2. Selective 3. Spatial 4. Information 5. Personality
Test (Figure Attention Scanning Test Ordering Test / Attitude Test
Classification) (Odd Addition) (Shortest Route) (Table Matrix) (Safety Mindset)
1. Intelligence Test (Figure Classification)
- Objective: Assesses visual reasoning, non-verbal cognitive analysis, and rapid pattern differentiation.
- Format: Each problem presents 5 figures (A, B, C, D, E). Four follow an underlying geometrical, rotational, or symmetry rule, while one is distinct. Candidates must identify and select the odd figure.
- Testing Dynamic: Typically 35 questions within 10 minutes. Candidates must rapidly scan symmetries, internal markings, line orientations, and directional rotations.
2. Selective Attention Test (Odd Number Addition)
- Objective: Measures sustained mental concentration, resistance to visual distraction, and computational stamina.
- Format: Long lines containing randomized single-digit integers (1 through 9) appear on screen. Candidates must sum all odd numbers (1, 3, 5, 7, 9) in each sequence while ignoring even digits (2, 4, 6, 8), selecting the correct cumulative total from four options.
- Testing Dynamic: Typically 30 questions within 8 minutes. High focus is required to prevent accidental inclusion of even numbers.
3. Spatial Scanning Test (Shortest Route Finding)
- Objective: Simulates railway route clearing and track layout analysis under time pressure.
- Format: A grid network map displays stations designated by English letters, connected by rail track lines. Several numbered round obstacles block specific pathways. Candidates must determine the shortest unobstructed track connecting Station X to Station Y without passing through obstacles.
- Testing Dynamic: Typically 40 questions within 8 minutes. Eliminating blocked segments visually and identifying the shortest open connection is key.
4. Information Ordering Test (Table Logic & Level Processing)
- Objective: Evaluates operational execution and data processing speed following established procedures.
- Format: Candidates review complex tables containing coded values, test conditions, operations, and directional arrows. Based on a starting condition, candidates process rules sequentially through the grid to identify the final operational level.
- Testing Dynamic: Approximately 25 questions within 10 minutes. Requires disciplined execution of multi-step criteria.
5. Personality / Attitude Test (Behavioral Safety Assessment)
- Objective: Evaluates emotional stability, compliance with operating rules, teamwork, and crisis management.
- Format: Presents real-world operational scenarios, interpersonal dilemmas, and safety decisions. Items feature 2 to 3 choices without an absolute factual right or wrong answer; choices assess personality orientation, safety mindset, and psychological equilibrium.
- Testing Dynamic: Typically 35 questions within 12 to 15 minutes. Responses should reflect a safety-oriented, ethical, and rule-compliant approach.
The RDSO T-Score Normalization Formula
To adjust for variations in problem complexity across shifts, raw marks are converted into normalized statistical T-Scores:
$$\text{T-Score} = 50 + \frac{10 \times (X – \bar{X})}{\text{SD}}$$
Where:
- $X$ = The candidate’s raw score (number of correct answers) in that specific test battery.
- $\bar{X}$ = The arithmetic mean (average) raw score achieved by all candidates who sat for that specific test battery in the shift.
- $\text{SD}$ = The Standard Deviation of raw scores across the entire testing population in that session.
[Raw Marks (X)] βββΊ Calculated Against Group Mean (XΜ) and Standard Deviation (SD)
β
βΌ
[T-Score Output (Baseline = 50)]
Must be β₯ 42.000 in Every Single Battery to Qualify
A T-Score of 50 represents the exact mean performance of the peer group. A T-Score of 42 falls approximately 0.8 standard deviations below the mean. If a candidate drops below 42.00 in any single battery, their application is rejected, regardless of their overall CBT-2 written score.
Expected Cut-Off Marks Analysis
Final merit ranking combines normalized CBT-2 performance (70% weight) with overall CBAT proficiency (30% weight). Below are projected cut-off score bands across major regional railway zones:
| Candidate Category | Minimum Qualifying T-Score | CBT-2 Shortlisting Cut-Off Range (Out of 120 Normalized to 100) | Final Combined Merit Estimate (70% CBT-2 + 30% CBAT) |
| Unreserved (General / UR) | 42.00 in all 5 Batteries | 72.00 β 76.50 Marks | 75.50 β 79.50 Marks |
| Other Backward Classes (OBC-NCL) | 42.00 in all 5 Batteries | 68.00 β 72.50 Marks | 71.50 β 75.00 Marks |
| Economically Weaker Sections (EWS) | 42.00 in all 5 Batteries | 65.00 β 69.50 Marks | 68.50 β 72.50 Marks |
| Scheduled Castes (SC) | 42.00 in all 5 Batteries | 58.00 β 62.50 Marks | 62.00 β 66.50 Marks |
| Scheduled Tribes (ST) | 42.00 in all 5 Batteries | 52.00 β 57.00 Marks | 56.00 β 60.50 Marks |
(Note: Final cut-offs vary across RRB zonesβsuch as Chandigarh, Prayagraj, Mumbai, Secunderabad, and Kolkataβbased on localized vacancy distributions).
A-2 Medical Eye Vision Standards & Mandatory Medical Certificate
The physical vision requirements for Station Master and Traffic Assistant roles are strictly enforced:
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β Railway Medical Standard: A-2 Categorization β
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β
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βΌ βΌ
[Distant Vision Benchmark] [Near & Color Vision]
6/9, 6/9 WITHOUT GLASSES (No Spectacles, Contact Lenses, or LASIK) Sn: 0.6, 0.6 Without Glasses;
Normal Color Vision, No Night Blindness
- Distant Vision Requirement: Must measure 6/9, 6/9 without glasses. Candidates requiring spectacles, contact lenses, or corrective visual aids are ineligible.
- Near Vision Requirement: Must measure Sn: 0.6, 0.6 without glasses.
- Color Perception & Night Vision: Must demonstrate normal color vision without color blindness (using Ishihara color plates), normal binocular vision, and unobstructed night vision.
- Prohibition of Corrective Surgeries (No LASIK/PRK): Any history of surgical vision correctionβincluding LASIK, PRK, radial keratotomy, or intraocular lens implantationβresults in immediate disqualification during railway medical board evaluations.
Mandatory Eye Fitness Certificate (Annexure VI-A):
Candidates must present the Original Medical Certificate on Annexure VI-A (provided in the official employment notification) at the exam center.
- Must be completed and signed by a certified, registered Allopathic Eye Specialist (holding an MD or MS in Ophthalmology).
- Must feature an identical recent passport photograph cross-signed and stamped by the examining ophthalmologist.
- Must include the doctor’s name, medical council registration number, clinic address, and date of issue.
- Candidates without this original signed certificate will be denied entry at the verification gate.
Step-by-Step Guide: How to Download RRB NTPC CBAT Admit Card 2026
[Visit rrbapply.gov.in] βββΊ [Click CEN 06/2025 CBAT Login] βββΊ [Enter Reg Number & Password]
β
βΌ
[Save & Print Color Call Letter] βββ [Click Download e-Call Letter] βββ [View Candidate Dashboard]
- Navigate to the official central railway application portal: rrbapply.gov.in or your regional RRB website.
- Select the notification link: “CEN 06/2025 (NTPC Graduate) – Download e-Call Letter and Exam City Slip for CBAT”.
- On the candidate login screen, input your Registration Number or registered mobile number.
- Enter your designated Password / Date of Birth (DD-MM-YYYY).
- Complete the visual Captcha security code and click “Login”.
- On the candidate portal, select “City Intimation Slip” to review your assigned test center, or “CBAT e-Call Letter” to retrieve your hall ticket (available 4 days prior to your test date).
- Download the PDF and print a clear, legible copy on standard white A4 paper.
Directory of All 21 Official Regional RRB Websites
Candidates can access notices and download links through their jurisdictional recruitment portals:
| Railway Recruitment Board (RRB) | Official Web Portal Address | Direct Link Status |
| RRB Ahmedabad | https://www.rrbahmedabad.gov.in | Active |
| RRB Ajmer | https://www.rrbajmer.gov.in | Active |
| RRB Prayagraj (Allahabad) | https://www.rrbald.gov.in | Active |
| RRB Bangalore | https://www.rrbbnc.gov.in | Active |
| RRB Bhopal | https://www.rrbbpl.nic.in | Active |
| RRB Bhubaneswar | https://www.rrbbbs.gov.in | Active |
| RRB Bilaspur | https://www.rrbbilaspur.gov.in | Active |
| RRB Chandigarh | https://www.rrbcdg.gov.in | Active |
| RRB Chennai | https://www.rrbchennai.gov.in | Active |
| RRB Gorakhpur | https://www.rrbgkp.gov.in | Active |
| RRB Guwahati | https://www.rrbguwahati.gov.in | Active |
| RRB Jammu-Srinagar | https://www.rrbjammu.nic.in | Active |
| RRB Kolkata | https://www.rrbkolkata.gov.in | Active |
| RRB Malda | https://www.rrbmalda.gov.in | Active |
| RRB Mumbai | https://www.rrbmumbai.gov.in | Active |
| RRB Muzaffarpur | https://www.rrbmuzaffarpur.gov.in | Active |
| RRB Patna | https://www.rrbpatna.gov.in | Active |
| RRB Ranchi | https://www.rrbranchi.gov.in | Active |
| RRB Secunderabad | https://www.rrbsecunderabad.nic.in | Active |
| RRB Siliguri | https://www.rrbsiliguri.gov.in | Active |
| RRB Thiruvananthapuram | https://www.rrbthiruvananthapuram.gov.in | Active |
Mandatory Checklist for Examination Day Entry
To ensure a smooth check-in process, prepare the following items prior to arriving at the testing facility:
- Printed Copy of CBAT e-Call Letter: A clear, full-page printout with visible barcodes and photographs.
- Original Annexure VI-A Eye Fitness Certificate: The original physical certificate, completed and stamped by an authorized eye specialist, with a verified photograph.
- Original Government-Issued Identification: Physical original identification card (Aadhaar Card, Voter ID, Passport, PAN Card, or Driving License) for biometric verification.
- Passport-Size Photographs: Two to four recent color passport-size photographs matching the image submitted with your application.
- Transparent Ballpoint Pen: A clear-barrel blue or black pen for signing attendance rosters and rough sheets.
- Prohibited Items: Smart watches, wristwatches, Bluetooth devices, calculators, fitness trackers, metallic accessories, wallets, and bags are prohibited inside the testing center.
π‘ RK Advice: 5 Critical Tips for the CBAT Examination
- Focus on Accuracy Over Raw Speed: Because T-Scores reflect relative performance against peer averages, incorrect attempts lower your T-Score. Answering 24 questions with 100% accuracy yields a higher T-Score than answering 30 with 8 errors. Work methodically to maintain high accuracy.
- Review Practice Demos Carefully: Use the 2-minute introductory demo before each battery to verify mouse responsiveness, screen contrast, and option layout.
- Skip Complex Items Immediately: In the Spatial Scanning (Shortest Route) and Information Ordering batteries, do not dwell on a problem for more than 5 to 7 seconds if the route is blocked or unclear. Move to the next question immediately to secure accessible points.
- Obtain Annexure VI-A Well in Advance: Schedule your eye examination with a registered MS/MD ophthalmologist days before the exam to secure your certificate, verified photograph, and clinic seal. Center officials do not permit entry without this physical document.
- Unlock Biometrics on m-Aadhaar: If you utilize the UIDAI biometric locking feature on your mobile device, unlock your fingerprint data at least 24 hours prior to reporting to ensure smooth identity verification at the testing venue.
Important Quick Links
| Resource / Official Portal | Direct Action Link | Status |
|---|---|---|
| Download CBAT Admit Card & City Slip (Portal Login) | π Download e-Call Letter | Link Active |
| Railway Recruitment Control Board Portal | π Visit Official Website | Official Portal |
| Join WhatsApp Notification Channel | π² Join WhatsApp Channel | Daily Job Alerts |
| RK Job Alert Home Page | π Visit Home Page | Main Portal |
Frequently Asked Questions (FAQs)
Q1: When is the RRB NTPC CBAT Admit Card released?
Ans: The Advance Exam City Intimation Slip is published 10 days prior to your scheduled test date, and the final e-Call Letter becomes available for download 4 days before your examination date via rrbapply.gov.in.
Q2: Is there any negative marking in the CBAT (Psycho Test)?
Ans: No. There is no negative marking penalty in any of the 5 test batteries in the CBAT.
Q3: What is the minimum qualifying score for the CBAT?
Ans: Candidates must achieve a minimum T-Score of 42 marks in each of the 5 test batteries individually. Falling below 42 in any single battery results in disqualification from Station Master and Traffic Assistant consideration.
Q4: Are candidates who wear spectacles eligible for Station Master vacancies?
Ans: No. The Station Master position requires strict A-2 Medical Standards with distant vision measuring 6/9, 6/9 without glasses. Candidates requiring spectacles, lenses, or who have undergone surgical vision correction (such as LASIK) are ineligible.
Q5: Can I enter the CBAT testing center without the Annexure VI-A Eye Fitness Certificate?
Ans: No. Entry into the examination laboratory strictly requires the original physical Eye Fitness Certificate (Annexure VI-A) signed and stamped by an authorized eye specialist.