Click here for official answer key and response sheet login
The Railway Recruitment Board (RRB) has held the NTPC CBT 1 exam for undergraduate posts (Commercial cum Ticket Clerk, Accounts Clerk cum Typist, Junior Clerk Cum Typist, and Trains Clerk) between 7th August and 9th September 2025. Use the form below to calculate your estimated RRB NTPC UG score and analyze your expected rank, based on your official answer key.
- Total Vacancies: 3445 posts (CEN 05/2024)
- 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
- Visit the official RRB answer key portal or your regional RRB site.
- Click the “CEN 05/2024 (NTPC-Under Graduate)” link on the homepage.
- Find the answer key notification and proceed to login.
- Enter your Registration Number and Date of Birth, complete the captcha, and submit.
- Download your answer key and response sheet for score calculation.
How to Use the RankGuruji Answer Key Calculator
- Gather your answer key: Download your official answer key and response sheet from the RRB portal after logging in with your Registration Number and Date of Birth.
- Access the calculator: Go to the RankGuruji RRB NTPC CBT 1 Answer Key Calculator page.
- Upload your answer data: Either paste your official Answer Key URL or upload the HTML file of your answer key and response sheet.
- Select exam details: Choose your Category (UR/OBC/EWS/SC/ST), Horizontal Reservation (if any), Gender, Branch/Trade, RRB Zone, and State from the dropdowns.
- Submit to calculate: Click the Submit button. The tool will automatically process your answers, apply the marking scheme (+1 for correct, -0.33 for incorrect), and compute your total marks.
- View instant results: Instantly see your estimated marks and a comparative rank analysis based on your category, zone, and exam details.
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 70 correct, 18 incorrect, and 12 blank:
Total Marks = 70 – (18 × 0.33) = 70 – 5.94 = 64.06 (rounded to 64)
Raise Objection (if required)
- An objection fee of ₹50 per question—refundable if accepted—applies.
- Submit objections online via official portal during specified dates.