This document discusses a teaching and learning material developed by Kusuma Foundation to support secondary education in Uttar Pradesh, India. The material was created with input from subject experts and is intended to supplement existing curricula and manuals. It has been reviewed and endorsed by the State Resource Group established by the Uttar Pradesh Madhyamik Shiksha Abhiyan. The document provides contact information for Kusuma Foundation and notes that the organization's mission is to facilitate access to education and opportunities for children and young people in India.