The National Institute of Open Schooling (NIOS) has officially released the revised NIOS Datesheet 2025 for Class 10 and Class 12 board examinations. Candidates appearing for the upcoming public exams can download the updated timetable from the official NIOS portal sdmis.nios.ac.in. The revised schedule includes subject-specific updates for centres in Bihar and Nuapada Assembly Constituency of Odisha, ensuring clarity for learners registered under these regions.
The NIOS board exams will be held in a single afternoon shift on most days, maintaining uniformity across exam centres while ensuring smooth execution. All regional directors and examination centres have been instructed to make appropriate arrangements to avoid any inconvenience to candidates.
Revised NIOS Datesheet 2025: Key Highlights
| Details | Information |
| Board Name | National Institute of Open Schooling (NIOS) |
| Classes | Class 10 & Class 12 |
| Datesheet Type | Revised Schedule 2025 |
| Mode of Exam | Offline (Pen and Paper) |
| Exam Shift | 2:30 PM to 5:30 PM (most papers), 2:30 PM to 4:30 PM (few papers) |
| Official Website | sdmis.nios.ac.in |
Revised Exam Dates – NIOS Class 10 & 12 (Region-Specific Updates)
Below are the subject-wise updates to the revised NIOS Datesheet 2025:
November 29, 2025 – Bihar State Only
Class 10 Subjects:
- Urdu
- Sanskrit
- Bodh Darshan
- Indian Sign Language
Class 12 Subjects:
- Biology
- Accountancy
- Introduction to Law
- Military History
December 1, 2025 – Bihar State & Nuapada (Odisha) Only
Class 10:
- English
Class 12:
- Mathematics
- Veda Adhyayan
December 2, 2025 – All Applicable Centres
Class 10:
- Painting
Class 12:
- Physics
- History
- Environmental Science
- Library and Information Science
Exam Timings
- 2:30 PM to 5:30 PM – For most Class 10 & 12 papers
- 2:30 PM to 4:30 PM – For select papers requiring shorter duration
Students must carefully check the revised schedule to avoid missing their exams. All updates apply immediately and supersede the previous datesheet.
Instructions for Exam Centres
NIOS has directed all regional directors and examination centres to:
- Follow the revised schedule strictly
- Make necessary logistical and administrative arrangements
- Ensure hassle-free conduct of examinations
- Provide clear communication to candidates regarding changes
How to Download NIOS Datesheet 2025
- Visit the official NIOS website: sdmis.nios.ac.in
- On the homepage, click on ‘NIOS Datesheet 2025 for Class 10 & 12’
- A PDF file will open containing the revised dates
- Download and save the PDF
- Take a printout for easy reference
Students are strongly advised to keep checking the NIOS website for further updates on hall tickets, guidelines, and exam-day instructions.
FAQs (Frequently Asked Questions)
| Has NIOS released a revised Datesheet for 2025 exams? |
| Yes, NIOS has released the revised datesheet for Class 10 and 12 board exams. |
| Where can I download the updated NIOS Datesheet 2025? |
| The revised datesheet is available at sdmis.nios.ac.in. |
| What is the exam timing for NIOS 2025 board exams? |
| Exams will be held from 2:30 PM to 5:30 PM or 2:30 PM to 4:30 PM, depending on the subject. |
| Which Class 10 subjects are scheduled for November 29 in Bihar? |
| Urdu, Sanskrit, Bodh Darshan, and Indian Sign Language. |
| When will Class 12 Mathematics be held? |
| Class 12 Mathematics will be held on December 1 in Bihar and Nuapada (Odisha). |
| Are the changes applicable to all exam centres? |
| Some changes apply only to Bihar and Nuapada; others apply to all relevant centres. |
| How do I check the complete revised timetable? |
| Download the PDF from the NIOS official website. |
| Does the revised datesheet affect hall ticket release? |
| No, hall tickets will be issued as per the updated schedule announced by NIOS. |
The revised NIOS Datesheet 2025 ensures clarity for Class 10 and 12 candidates, especially those in Bihar and Nuapada (Odisha). Students should download the updated PDF from sdmis.nios.ac.in, verify their subject dates, and prepare accordingly. For accurate and timely updates, always refer to the official NIOS website. Bookmark this page to stay informed about hall ticket releases and further notifications, for more details and check date sheet CLICK HERE




