
📢 Answer Key Released
Release date: July 1, 2025 (from ~6 PM onwards via regional RRB websites and the central portal rrbcdg.gov.in)
Exam dates: CBT‑1 held June 5–24, 2025 for graduate-level posts

🧾 What’s Included
Provisional set‑wise answer key, response sheet, and question paper PDFs — available per shift and set.
Candidate details displayed: name, roll/registration number, exam centre, date & shift, along with question IDs, their responses, and correct answers.
✅ How to Download
- Visit rrbcdg.gov.in or your regional RRB portal (e.g. rrbmumbai.gov.in, rrbpatna.gov.in).
- Click on the link: “Tentative CBT 1 Answer Key & Response Sheet” (or similar wording).
- Log in with Registration Number/User ID, Date of Birth/Password, and captcha.
- View and download the response sheet and key in PDF form.
⏳ Objection Window
Open: from July 1 (upon release)
Closes: July 6, 2025 at 23:55 hrs
Fee: ₹50 per question (refundable if your objection is accepted)
How to challenge:
- Log in, select specific question(s).
- Upload justification or documentary proof.
- Pay ₹50 per objection.
- Submit before the deadline.
🧮 Scoring & Estimated Marks
Marking Scheme: +1 mark per correct, –1/3 mark per wrong answer; no penalty for unattempted.
Calculate your score:
\text{Score} = (#\text{correct} \times 1) – (#\text{wrong} \times \tfrac{1}{3})
🗂 What Happens Next
After objection review, a final answer key will be published.
Results (CBT‑1 scores and qualifiers) will follow.
Qualified candidates will move forward to the CBT‑2 / next stage.
✅ Quick Recap
Upgrade: Answer key released ✅ July 1 at ~6 PM
Objection window July 1–6 (till 11:55 PM)
Login required Yes (Registration + DOB/Password + captcha)
Scoring +1 / –1/3 / 0
Next step Final key → results → CBT‑2 notification
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