The Railway Recruitment Board (RRB) conducted the Ministerial & Isolated Categories CBT exam between 10th and 12th September 2025. Use the form below to calculate your estimated RRB MI score and analyze your expected rank and category-wise cut-off, based on the official answer key.

  • Total Vacancies: 1665 posts (CEN 03/2024)
  • Login required: Registration Number & Date of Birth
  • Marking Scheme: +1 for correct, -0.33 for incorrect, no penalty for blank answers

How to Download Your Answer Key

  1. Visit the official RRB answer key portal or your regional RRB site.
  2. Click the “CEN 03/2024 (Ministerial & Isolated Categories)” link on the homepage.
  3. Find the answer key notification and proceed to login.
  4. Enter your Registration Number and Date of Birth, complete the captcha, and submit.
  5. Download your answer key and response sheet for score calculation.

How to Use the RankGuruji Answer Key Calculator

  1. Gather your answer key: Download your official answer key and response sheet from the RRB portal.
  2. Access the calculator: Go to the RankGuruji RRB MI Answer Key Calculator page.
  3. Upload your answer data: Either paste your official Answer Key URL or upload the HTML file of your answer key and response sheet.
  4. Select exam details: Choose your Category (UR/OBC/EWS/SC/ST), Gender, Zone, and State from the dropdowns.
  5. Submit to calculate: Click Submit and the tool will apply the marking scheme (+1 / -0.33) and compute your total marks.
  6. View instant results: Instantly see your estimated marks and a comparative cut-off analysis.

Use these insights to evaluate your selection chances and prepare for the next stages with confidence.

Score Formula:
Total Marks = (No. of Correct × 1) – (No. of Incorrect × 0.33)

Example:
If you got 68 correct, 20 incorrect, and 32 blank:
Total Marks = 68 – (20 × 0.33) = 68 – 6.6 = 61.4 (rounded to 61)

Raise Objection (if required)

  • An objection fee of ₹50 per question—refundable if accepted—applies.
  • Submit objections online via the official portal during 18–20 September 2025.

Frequently Asked Questions (FAQ)

The provisional answer key was released on 18 September 2025. Objections can be raised until 20 September 2025. Final answer key is expected in October 2025.

Visit the official RRB portal, log in using your Registration Number and Date of Birth, and download your answer key and response sheet.

For every correct answer, +1 mark is awarded. For every wrong answer, 1/3rd mark is deducted as negative marking. No penalty for unanswered questions.

Yes, candidates can raise objections by paying ₹50 per question through the online objection tracker during 18–20 September 2025.

You need your Registration Number and Date of Birth to log in and access the answer key, response sheet, and objection form.

Compare your answers to the official key, add 1 mark for each correct response, and deduct 1/3rd mark for each incorrect answer. Blank answers do not affect your score.

Yes, the final result is prepared based on the revised answer key after objections are reviewed and finalized by RRB.
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