Disclaimer – Not an Official Government Website

Disclaimer: KalviBooks is an independent educational website. It is not an official website of the Government of Tamil Nadu, the Department of School Education, the Directorate of Government Examinations (DGE) or the Tamil Nadu Textbook and Educational Services Corporation, and it is not endorsed by any of them.

"Samacheer Kalvi" refers to the Tamil Nadu State Board syllabus. We use the name only to describe which textbooks our answers follow.
Textbook PDFs are linked from, or credited to, the official government source. We do not host commercial or pirated guides.
Exam dates, time tables and results come from official announcements. Always confirm them with your school or the DGE.
Answer keys for public exams are our own worked solutions. The DGE does not publish official keys, so marks awarded may follow a different scheme.

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