The National Institute of Open Schooling has released a revised timetable for the 2025 Secondary (Class 10) and Senior Secondary (Class 12) examinations. The updated schedule includes fresh dates for major subjects like Biology, Physics, Mathematics, English, and Accountancy, ensuring students get clear information ahead of the exam window. The revised timetable is important for learners who were preparing according to the older schedule and now need to adjust their study plan accordingly.
I am writing about this update because NIOS students often depend on official notifications to plan their revision properly. Since many learners manage studies alongside work, personal responsibilities or skill-based courses, sudden timetable changes can create confusion. A clear breakdown of the revised dates helps students avoid last-minute mistakes, reach exam centres on time, and organise their subject-wise preparation more effectively. Sharing this information in a simple and structured format makes it easier for parents, teachers and candidates to understand what has changed and how to prepare ahead. My aim is to give a straightforward explanation of the revised dates, the subject-wise schedule, and why these changes matter for all NIOS learners appearing in the 2025 exams.
Overview of the Revised NIOS Exam Timetable
NIOS has released updated dates for both Class 10 and Class 12 exams. Students should follow the revised schedule carefully because some subjects have been shifted by a day or moved into different time slots.
Below is the updated timetable for the major papers of both levels.
NIOS Senior Secondary (Class 12) Revised Exam Dates 2025
| Date | Subject | Code | Time |
|---|---|---|---|
| November 29, 2025 | Biology | 314 | 2.30 pm to 5.30 pm |
| Accountancy | 320 | 2.30 pm to 5.30 pm | |
| Introduction to Law | 338 | 2.30 pm to 5.30 pm | |
| Military History | 375 | 2.30 pm to 5.30 pm | |
| December 1, 2025 | Mathematics | 311 | 2.30 pm to 5.30 pm |
| Veda Adhyayan | 345 | 2.30 pm to 5.30 pm | |
| December 2, 2025 | Physics | 312 | 2.30 pm to 5.30 pm |
| History | 315 | 2.30 pm to 5.30 pm | |
| Environmental Science | 333 | 2.30 pm to 5.30 pm | |
| Library & Information Science | 339 | 2.30 pm to 5.30 pm |
NIOS Secondary (Class 10) Revised Exam Dates 2025
| Date | Subject | Code | Time |
|---|---|---|---|
| November 29, 2025 | Urdu | 206 | 2.30 pm to 5.30 pm |
| Sanskrit | 209 | 2.30 pm to 5.30 pm | |
| Bodh Darshan | 241 | 2.30 pm to 5.30 pm | |
| Indian Sign Language | 230 | 2.30 pm to 4.30 pm | |
| December 1, 2025 | English | 202 | 2.30 pm to 5.30 pm |
| December 2, 2025 | Painting | 225 | 2.30 pm to 4.30 pm |
How Students Should Use the Revised Timetable
Students should adjust their study plan depending on which subjects fall closer together. Science stream students, for example, now have Mathematics on December 1 followed immediately by Physics on December 2. This means revision should be spaced out early rather than waiting for last-minute study sessions.
A few helpful steps:
- Write out the revised timetable and paste it near your study table
- Prioritise subjects with back-to-back dates
- Finish high-weightage chapters first so that revision becomes easy later
- Solve previous question papers to get comfortable with time management
- Double-check the duration of each exam as some papers end earlier than others
Why the Revised Dates Matter for NIOS Learners
NIOS students come from diverse backgrounds and many prepare independently without daily classroom support. Timely updates on exam schedules ensure students do not miss important papers and can plan their preparation according to the new dates. A clear timetable also helps in arranging travel plans, managing work commitments and reducing exam-related stress. This is especially important for students enrolled in multiple courses or those appearing for improvement exams.










