NIOS Syllabus
The complete NIOS syllabus for each subject, with the chapter list and exam pattern, so you know exactly what to study and how the paper is set.
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How to read the NIOS syllabus
Every NIOS subject has an official curriculum document and study material organised into modules and lessons — the same lesson names you will find on each subject page here. The written exam and the TMAs are both set from that material, so the official book list for your subject code is the syllabus in practice.
NIOS lets you combine subjects far more freely than regular boards, so "the syllabus" is per-subject, not per-stream. When you pick subjects, check each subject page for its chapter list and exam pattern rather than assuming a fixed stream package.
Study material is the syllabus: NIOS publishes its own books for every subject, free to download from the official site. If a topic is not in the official material for your subject code, it is not part of your exam — confirm the current edition on the NIOS portal before buying anything else.