This document discusses a teaching-learning material developed by Kusuma Foundation with support from subject experts for use in secondary schools in Uttar Pradesh. The material was finalized after review by the State Resource Group established by the Uttar Pradesh Madhyamik Shiksha Abhiyan. The document provides information on Kusuma Foundation's mission to facilitate access to education and their focus on improving education outcomes and addressing barriers in education. Contact information is provided for Kusuma Foundation's state office in Hardoi and registered office in New Delhi.