- 12th Biology Notes – Minimum Learning Material (கற்றல் கையேடு) | CEO, Chennai – Tamil Medium – Preview & Download (MAT.NO. 221237)
- 12th Biology Notes – Minimum Learning Material (கற்றல் கையேடு) | CEO, Thiruvallur
- Tamil Medium – Preview & Download (MAT.NO. 217020)
- English Medium – Preview & Download (MAT.NO. 218059)