To support effective implementation, the Board has developed study materials for these optional advance papers. The study material for Advanced Science is available at:
https://cbseacademic.nic.in/web_material/CurriculumMain27/SecPart1/ScienceAd_SecP1_2026-27.pdf
The study material for Advanced Mathematics (first two chapters) is available at: https://cbseacademic.nic.in/web_material/CurriculumMain27/SecPart1/MathsAd_SecP1_2026-27.pdf
The remaining four (04) chapters of Optional Advanced Mathematics will be released shortly.
With Best Wishes
Team CBSE