Following his education, he worked with the Parliamentary office of Shashi Tharoor in New Delhi and Lord Karan Bilimoria in London.[4] He also worked as a researcher on the BBC Radio 4 series, Incarnations with Sunil Khilnani, which tells the story of India through fifty great lives. In 2017, he became a full time historian and writer.[2][3] He holds a PhD in history from King's College London.[5]
Rebel Sultans, Pillai's second work, narrates the story of the late medievalDeccan over four centuries.[3]The Courtesan, the Mahatma and the Italian Brahmin is a collection published in 2019 consisting of historical anecdotes originally published as columns in various Indian newspapers.[10]
Pillai's 2021 book False Allies concerns the rulers of princely states during the British Raj, focusing on five states whose rulers patronized and were painted by Raja Ravi Varma.[1] In Gods, Guns and Missionaries, first released in India in 2024, Pillai outlines the history of Hinduism during India's colonization by Christian European states.[11]
List of works
The Ivory Throne: Chronicles of the House of Travancore. HarperCollins India, 2015. ISBN9789351776420.
Rebel Sultans: The Deccan from Khilji to Shivaji. Juggernaut, 2018. ISBN9789386228734.
The Courtesan, the Mahatma & the Italian Brahmin: Tales from Indian History. Illustrated by Priya Kuriyan. Context, 2019. ISBN9789388689786.
False Allies: India's Maharajahs in the Age of Ravi Varma. Juggernaut, 2021. ISBN9789391165895.
Gods, Guns and Missionaries: The Making of the Modern Hindu Identity. Penguin Allen Lane, 2024. ISBN9780670093656.