Railway RRB Technician Answer Key 2026 – CEN 02/2026 Overview
The Railway Recruitment Boards (RRBs) have released the answer key for the Technician Grade-I Signal and Technician Grade-III examination under Centralised Employment Notice (CEN) 02/2026. Candidates who appeared in the Computer Based Test (CBT) held from 6 to 9 October 2026 can now view their question paper, recorded responses and the provisional answer key through the official RRB answer key portal. The answer key was made available on 15 October 2026.
Using the answer key, candidates can compare their responses with the official answers and estimate their scores before the result is declared. Candidates who found an error in a question, option or key could raise an objection through the portal during the objection window stated in the official notice, on payment of the prescribed fee.
Key Highlights
| Recruiting authority | Railway Recruitment Boards (RRBs), Ministry of Railways |
| Advertisement number | CEN 02/2026 |
| Posts | Technician Grade-I Signal and Technician Grade-III |
| Total vacancies | 6,557 |
| Exam mode | Computer Based Test (CBT) |
| CBT dates | 6 to 9 October 2026 |
| Answer key released | 15 October 2026 |
| Objection fee | Rs. 50 per question, plus bank charges (refundable if the objection is accepted) |
| Official answer key portal | rrb.digialm.com |
Important Dates
| Application began | 30 June 2026 |
| Last date to apply online | 29 July 2026 |
| CBT exam dates | 6 to 9 October 2026 |
| Answer key available from | 15 October 2026 |
Application Fee
General / OBC / EWS: Rs. 500. SC / ST / PH (Divyang): Rs. 250. After appearing in the Stage-I exam, the fee refund is Rs. 400 for UR / OBC / EWS and Rs. 250 for SC / ST / PH / female candidates, as stated in the recruitment details.
Vacancy Details
| Post name | Total posts | Eligibility |
| Technician Grade-I Signal | 323 | Bachelor’s degree in Science (Physics / Electronics / Computer Science / Information Technology / Instrumentation) or B.Sc. in a combination of these streams, or BE / B.Tech / 3-year engineering diploma in the relevant stream |
| Technician Grade-III (Open Line) | 6,234 | Class 10th with ITI certificate from NCVT / SCVT in the related trade |
| Total | 6,557 |
Age Limit (as on 1 July 2026)
Minimum age: 18 years. Maximum age: 30 years for Technician Grade-III and 33 years for Technician Grade-I Signal. Age relaxation applies as per the RRB Technician CEN 02/2026 recruitment rules.
Selection Process
Selection is through the stages given in the CEN 02/2026 notification, beginning with the Computer Based Test held from 6 to 9 October 2026. Candidates should read the official notification for the remaining stages and the document verification and medical standards that apply.
How to Check the RRB Technician Answer Key 2026
- Open the official RRB answer key portal (rrb.digialm.com) from the links below.
- Log in with your registration number and password (or date of birth, as asked on the login page).
- Open the link for viewing questions, responses and answer keys for Technician Grade-I Signal or Technician Grade-III, as applicable.
- Compare your recorded responses with the provisional answer key and download or save a copy for reference.
- If you found an error, raise the objection through the same portal within the window stated in the official notice, with the prescribed fee of Rs. 50 per question plus bank charges.
Important Links
| Download Answer Key (Technician Grade-I / Grade-III) | RRB Answer Key Portal – rrb.digialm.com |
| RRB official website | rrb.indianrailways.gov.in |
| RRB Apply portal | rrbapply.gov.in |
Frequently Asked Questions
When was the RRB Technician CEN 02/2026 answer key released?
The answer key was released on 15 October 2026 for Technician Grade-I Signal and Technician Grade-III.
How can I check my RRB Technician answer key?
Log in to the official answer key portal at rrb.digialm.com with your registration number and password, then open the link for viewing questions, responses and answer keys.
What is the fee for raising an objection against the answer key?
Rs. 50 per question, plus applicable bank charges. The fee is refunded if the objection is accepted, as per the official rules.
When was the RRB Technician CBT 2026 held?
The Computer Based Test was held from 6 to 9 October 2026.
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Disclaimer: SarkariDetails.com is an independent information publisher and is not a government website. Candidates should verify all details from the official Railway Recruitment Board notification and website before acting on them.