Filling out the UPSC NDA OMR sheet accurately is crucial for candidates aiming to succeed in the National Defence Academy examination. Errors in marking can lead to disqualification or incorrect evaluation. This guide provides clear instructions to help you complete the OMR sheet without mistakes.
Key Highlights 
- Organization Name: Union Public Service Commission (UPSC)
- Use Black Ball Point Pen: Always fill the OMR sheet using a black ballpoint pen.
- Complete Bubbling: Ensure bubbles are filled completely without stray marks.
- Correct Personal Details: Accurately enter your roll number, test booklet number, and other required information.
- Avoid Multiple Markings: Mark only one answer per question to prevent ambiguity.
- Follow Invigilator’s Instructions: Listen carefully to and follow all instructions given during the examination.
- Check for Errors: Review the OMR sheet for any mistakes before submission.
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- Official Website: upsc.gov.in
Understanding the OMR Sheet 
The Optical Mark Recognition (OMR) sheet is designed to record your responses through marked bubbles. It’s sensitive to even minor errors, so precision is essential. The sheet typically includes sections for personal details and answer choices.
Essential Materials 
- Black Ball Point Pen: Required for marking answers and filling in details.
- Admit Card: Contains vital information like your roll number and test booklet code.
- Test Booklet: Provides the questions and may include a unique serial number.
Step-by-Step Guide to Filling the OMR Sheet 
- Personal Information: Carefully write and bubble in your roll number, test booklet number, and other required details in the designated areas.
- Marking Answers: For each question, fully darken the circle corresponding to your chosen answer (A, B, C, or D). Ensure there are no stray marks.
- Review Entries: Double-check all markings for completeness and accuracy.
- Avoid Erasures: Do not use erasers or correction fluid; if an error occurs, follow the invigilator’s instructions.
Common Mistakes to Avoid 
- Incomplete Bubbling: Partially filled bubbles may not be read correctly by scanning machines.
- Multiple Markings: Marking more than one option for a question can lead to it being marked wrong.
- Incorrect Personal Details: Errors in roll number or test booklet code can result in disqualification.
- Stray Marks: Any unintended marks can interfere with the scanning process.
Tips for Accuracy 
- Practice: Use sample OMR sheets during your preparation to become familiar with the format.
- Stay Calm: Maintain composure to reduce the likelihood of mistakes.
- Time Management: Allocate sufficient time to fill out the OMR sheet carefully during the exam.
By adhering to these guidelines, you can minimize errors and ensure your responses are accurately recorded, enhancing your prospects in the UPSC NDA examination.