CBSE has released the subject-wise weightage for theory and internal assessment for classes 10 and 12; check the details..

CBSE 10th-12th Board Exams 2027: There is a major update for students appearing for the 2027 CBSE Class 10 and 12 board examinations. The Central Board of Secondary Education (CBSE) has released the subject-wise weightage for theory and internal assessments for Classes 10 and 12. Specifically, the board has provided detailed information regarding the marks allocated to theory components versus practical and internal assessments for each subject in the Class 10 and 12 board exams. A circular regarding this was issued by the CBSE recently.

Let us examine the marks allocated for theory, practical, and internal assessments across various subjects for the CBSE Class 10 and 12 examinations. We will also look at the duration for which the theory and practical examinations will be conducted.

Class 10 Board: Subject-wise Weightage for Theory, Practical, and Internal Assessment
Mathematics (Basic and Standard): For both Mathematics (Basic) and Mathematics (Standard) in Class 10, the theory examination will carry 80 marks, while the internal assessment will carry 20 marks. Thus, the total marks for the paper will be 100.

Science and Social Science: For both Science and Social Science in Class 10, the theory examination will carry 80 marks, while the internal assessment will carry 20 marks. Thus, the total marks for the paper will be 100.

English: For English in Class 10, the theory examination will carry 80 marks, while the internal assessment will carry 20 marks. Thus, the total marks for the paper will be 100.

Home Science: For Home Science in Class 10, the theory examination will carry 70 marks, while the practical examination will carry 30 marks. Thus, the paper will be conducted for a total of 100 marks.

Elements of Business: For Class 10 'Elements of Business', the theory examination will carry 70 marks, while project work will carry 30 marks. Thus, the paper will be conducted for a total of 100 marks.

Computer Applications: For Class 10 'Computer Applications', the theory examination will carry 50 marks, while the practical assessment will carry 50 marks. Thus, the paper will be conducted for a total of 100 marks.

For vocational subjects such as Retail, Information Technology, Automotive, Agriculture, and Beauty & Wellness, 50 marks each are allocated for the theory and practical examinations, making it a 100-mark paper.

Carnatic and Hindustani Music: For Class 10 Carnatic and Hindustani Music subjects, marks are awarded based on a 30:50:20 weightage—30 marks for theory, 50 marks for the practical examination, and 20 marks for internal assessment.

Painting: For Class 10 Painting, marks are awarded based on a 30:50:20 weightage—30 marks for theory, 50 marks for the practical examination, and 20 marks for internal assessment.

What is the duration of the papers?
In the CBSE Class 10 board examinations, most theory papers have a duration of three hours, whereas many skill-based and music-related papers have a duration of two hours.

Class 12 Board: Subject-wise Weightage for Theory, Practical, and Internal Assessment
For Physics, Chemistry, Biology, and Biotechnology, the theory examination carries 70 marks, while the practical component carries 30 marks, resulting in a total of 100 marks for the examination. For Class 12 subjects such as Psychology, Physical Education, Home Science, Computer Science and Informatics, Entrepreneurship, and Geography, the theory component carries 70 marks, while internal assessment and practicals account for 30 marks.

For subjects in the Commerce stream—as well as History, Political Science, Economics, Sociology, Business Studies, and Accountancy—the theory component carries 80 marks, with 20 marks allocated for projects.

In Fine Arts subjects—such as Painting, Graphics, and Sculpture—30 marks are allocated for theory, and 70 marks are assigned for the practical examination.

For vocational subjects—including Retail, IT, Automotive, Tourism, Agriculture, and Healthcare—60 marks are allocated for theory and 40 marks for the practical component.

In the vocational subject of Multimedia, 50 marks are allocated for theory, and 50 marks are assigned for the practical component.

External examiners will be appointed for practical examinations in these subjects; find out the duration of the exams.

In a circular issued by the CBSE, it has been stated that external examiners will be appointed for the Class 12 practical examinations in Physics, Chemistry, Biology, and Geography. Practical answer booklets will also be provided for these examinations. Furthermore, the CBSE has indicated that most Class 12 theory papers will be three hours long, while certain examinations related to Music, Dance, and Fine Arts will have a duration of two hours.

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