This document provides information about a teaching-learning material developed by Kusuma Foundation with support from subject experts and consultants. The material is intended for use by secondary school students, teachers, and teacher educators in Uttar Pradesh. It was developed as part of Kusuma Foundation's Secondary School Readiness Programme and draws from existing curricula, education materials, teacher views and experience. The material was reviewed and endorsed by the State Resource Group set up by the Uttar Pradesh Madhyamik Shiksha Abhiyan. The document also provides contact information for Kusuma Foundation's state office in Hardoi and registered office in New Delhi.