The Time machine is a history book of Indian Ancient age. This book is written by Promit Hazra, a famous writer in Kolkata. Here the readers will know the history of ancient India. The Chapters Including in this book are: History of Harapan, Jainism, Buddhism, Vedic Period, Rise of Sixteen Majanapadas and Rise of Magadha. ....................................................................................................................................................... .. ..................................... ............. . .... .... . .... . . . . ...... .