This book, based on the CBSE syllabus, is meant for students of class 12 of Bihar, Jharkhand and all other state boards following the CBSE syllabus. It covers all important events of Indian history—from the Harappan Civilisation period onwards to the framing of the Indian Constitution. The book also focuses on the social and economic aspects of each period. Extensive exercises, which follow each chapter, include all types of questions asked in the examination.