1) The Immortals of Meluha
2) The Secrets of the Nagas
3) The Oath of the Vayuputras

"The Immortals of Meluha is the first book of Amish Tripathi. The story is set in the land of Meluha and starts with the arrival of the Shiva. The Meluhans believe that Shiva is their fabled saviour Neelkanth. Shiva decides to help the Meluhans in their war against the Chandravanshis, who had joined forces with a cursed Nagas; however, during his journey and the fight that ensues, Shiva learns how his choices actually reflect who he aspires to be and how they lead to dire consequences."