This updated second edition titled History Optional Modern India & World History Previous Years? UPSC Solved Papers 1979-2022 is a collection of solved questions of optional history (Modern India & World History) from 1979 to 2022. The answers to each question have been carefully conceptualized keeping in mind the expectations of the UPSC examiner who evaluates the answers. This unique collection of Q&A will be very helpful for a thorough revision. It will support the aspirants to efficiently grasp the nuances of Modern Indian & World history and facilitate them in perceiving the why? and ?how? behind every historical episode.