The National Institute of Open Schooling (NIOS) has officially released the revised NIOS Timetable 2025 for both Class 10 (Secondary) and Class 12 (Senior Secondary) examinations. Students enrolled under the April–May 2025 exam cycle can now check the updated and rescheduled exam dates on the official website—nios.ac.in. The revised schedule comes as an important update for lakhs of learners across India and abroad who appear for the board exams through the flexible NIOS system.
The NIOS board conducts exams twice a year—April–May and October–November. This year, due to administrative adjustments and centre-related changes, certain exam dates have been revised. Students are advised to go through the complete updated timetable carefully, as the new dates will be applicable for all exam centres. The revised schedule ensures that no two major subject exams clash, and sufficient preparation time is provided between papers.

Table of Contents
NIOS 2025 Revised Exam Timetable: Key Highlights
Board: National Institute of Open Schooling (NIOS)
Classes Covered: 10th and 12th
Session: April–May 2025
Status: Revised timetable released
Format: Theory + Practical (as applicable)
Official Website: nios.ac.in
The board has issued separate timetables for theory and practical exams. Students must read the notification thoroughly to avoid missing any updated dates.
NIOS 10th Revised Timetable 2025 – Important Dates
The Secondary (Class 10) exams will now be conducted as per the rescheduled dates. While the subject-wise timetable varies, here are the general updates included:
Revised theory exams: April – May 2025
Exam timing: 2:30 PM to 5:30 PM (varies for some subjects)
Practical exams: Conducted before theory papers at the Accredited Institutions (AIs)
Subjects such as Science & Technology, Social Science, Mathematics, Hindi, English, and Business Studies have updated dates in the revised timetable. NIOS ensures sufficient gaps between core subjects to reduce academic pressure on students.
NIOS 12th Revised Timetable 2025 – Updated Schedule
For Senior Secondary (Class 12) students, the revised timetable includes updated dates for important subjects like:
Physics
Chemistry
Biology
History
Geography
Accountancy
Business Studies
Economics
Political Science
English and Hindi
The exam session generally falls between 2:30 PM to 5:30 PM, but vocational and language papers may have different timings.
How to Download the Revised NIOS 10th & 12th Timetable 2025?
Students can download the revised timetable PDF by following these steps:
Step 1:
Visit the official NIOS website: nios.ac.in
Step 2:
Click on the “Exams & Results” section on the homepage.
Step 3:
Select “Date Sheet for Secondary/Senior Secondary – April 2025 (Revised)”.
Step 4:
Choose your class (10th or 12th) and download the PDF.
Step 5:
Save or print the revised timetable for quick reference.
It is advisable to check the website frequently for any additional updates or corrections.
What’s New in the Revised NIOS Timetable 2025?
The revised timetable brings several important changes:
Shifted exam dates to avoid overlapping with national-level exams.
Additional preparation gaps for major subjects.
Improved spacing for combinations of Science and Commerce subjects.
Centre-wise adjustments due to administrative requirements.
These updates help create a smoother examination process for students across India and overseas centres.
NIOS Practical Exam 2025 – Revised Dates
Practical examinations for both 10th and 12th classes will be conducted at the respective Accredited Institutions (AIs). The revised dates will be:
Announced by the study centre
Displayed on the NIOS portal under the “Practical Exam” notification
Mentioned on the student’s admit card (where applicable)
Students must carry their ID card, admit card, practical files, and lab-related materials on the day of the examination.
NIOS Exam Day Instructions 2025
To ensure smooth conduct of exams, students must follow the guidelines below:
Reach the exam centre at least 30–45 minutes early.
Carry:
NIOS Admit Card/Hall Ticket
Valid ID proof (Aadhaar/School ID)
Black/blue ballpoint pen
Follow the seating arrangements provided by the invigilator.
Electronic gadgets such as mobile phones, smartwatches, calculators (where not allowed), and notes are strictly prohibited.
Students must fill in the answer sheet details carefully.
Maintain discipline and follow all exam hall guidelines strictly.
These rules apply uniformly to both Secondary and Senior Secondary examinations.
NIOS Admit Card 2025 – When Will It Release?
The NIOS 10th and 12th Admit Cards 2025 will be released 2–3 weeks before the first exam date. Students should keep checking:
nios.ac.in
Student dashboard
SMS/email notifications
The admit card will mention subject-wise exam dates, centre details, and student information.
Tips to Prepare According to the Revised NIOS Timetable 2025
With the updated schedule, students should adjust their preparation accordingly:
Create a revised study timetable aligned with the new dates.
Focus on NCERT and NIOS study materials, which are exam-oriented.
Revise previous years’ papers and model test papers.
Allocate more time to difficult subjects now that additional gaps are available.
Practice writing answers within a time limit to improve speed.
Proper planning will help students handle the revised schedule efficiently.
Conclusion
The release of the Revised NIOS 10th and 12th Timetable 2025 provides clarity for students preparing for the April–May session examinations. With updated gaps between subjects and rescheduled dates to ensure fairness and convenience, the new timetable is a positive step for learners across all study centres. Students are advised to download the updated PDF, revise their preparation plans, and stay regularly updated through the official NIOS website.

