NCERT Class 6 History (for UPSC/IAS Preparation) Lesson 1. In this lesson, Arpita Prakash deals with the first introductory chapter of the book which tells about what, where, how and when of history. This course summarizes the content of the Class 6 History NCERT textbook. You can find the more courses by Arpita here: https://goo.gl/LQ7JqH Download the Unacademy Learning App from the Google Play Store here:- https://goo.gl/02OhYI Do Subscribe and be a part of the community for more such lessons