The main features of this series are: Inbuilt Exercises for revision to ensure practice, step-by-step learning and regular evaluation. Competency Based Discussion promotes Collaborative Learning through guided interaction. Skill-based MCQs to enhance competency based skills (thinking, analytical and reasoning skills). Application Based Questions to develop skills like critical thinking and problem solving. Enrichment activities (model-making, PowerPoint presentation, art-integration, cross-curricular) encourage collaboration, creativity and application of concepts with other subjects.