This book is an exclusive collection of history optional questions that appeared in the UPSC examination in year 1979 to 2019 along with carefully prepared answers. It covers all questions asked on ancient India and medieval India in this period. Written and presented in a lucid and focused manner, It is a very effective tool for time-lastly minute preparation. Features: sequentially arranged previous years' questions and answers divided into - ancient and medieval India as per the exam pattern.