As part of the multi-book deal, the actor will be publishing picture books and fiction that he developed in collaboration with his writing partner Robyn Charteris.
Girish Karnad, considered one of modern India's greatest cultural figures, first published his memoir in Kannada in 2011.
The speeches, lectures and letters collected in Inquilab: A Decade of Protest capture the most important events and issues of the past 10 years in India.
HarperCollins began its journey in 1992 with 20 books that year. Twenty-five years later, it boasts a list of over 180 new books a year.