NIOS Exam Update: The National Institute of Open Schooling (NIOS) has announced revised NIOS 2025 dates for the board examination at nios.ac.in
All the candidates note that the dates have been postponed for several examinations due to the first phase of the Bihar Assembly Elections 2025.
Previously, one exam scheduled to be held on 06th November 2025 was also cancelled earlier to avoid clashes with polling activities. All the details regarding NIOS board examination are being announced through online mode.
NIOS 2025 Revised Datesheet
Check out the NIOS revised dates for the board examination class 10th and 12th in the table given below:
Only in Bihar State (on 29 November 2025, Saturday)
| S.No | Date | Subject & Code | Time |
| Senior Secondary Course | |||
| 1 | 29 November 2025 (Saturday) | Biology (314) Accountancy (320) Introduction to Law (338) Military History (375) | 2.30 pm to 5.30 pm |
| Secondary Course | |||
| 2 | 29 November 2025 (Saturday) | Urdu (206) Sanskrit (209) Bodh Darshan (241) Indian Sign Language (230) | 2.30 pm to 4.30 pm |
Only in Bihar State and Nuapada Assembly constituency of Odisha State (on 1 December 2025, Monday)
| S.No | Date | Subject & Code | Time |
| Senior Secondary Course | |||
| 1 | 1 December 2025 (Monday) | Mathematics (311) Veda Adhyayan (345) | 2.30 pm to 5.30 pm |
| Secondary Course | |||
| 2 | 1 December 2025 (Monday) | English (202) | 2.30 pm to 5.30 pm |
All India (on 2 December 2025, Tuesday)
| S.No | Date | Subject & Code | Time |
| Senior Secondary Course | |||
| 1 | 2 December 2025 (Tuesday) | Physics (312) History (315) Environmental Science (333) Library & Information Science (339) | 2.30 pm to 5.30 pm |
| Secondary Course | |||
| 2 | 2 December 2025 (Tuesday) | Painting (225) | 2.30 pm to 4.30 pm |
Authority has also requested all the concerned Regional Directors/Examination Centres to make necessary arrangements for the smooth conduct of the examinations on the above dates and ensure that there is no inconvenience to the candidates. All the instructions given in the date sheet dated 19/09/2025 will remain applicable to all.
The NIOS board has asked all the class 10th and class 12th students to download the updated and revised NIOS 2025 board exam date sheet.
You may ask us questions and express doubts regarding the NIOS 2025 Board Exam Revised Datesheet below in our comment section.