Following his education, he worked with the Parliamentary office of
Shashi Tharoor in New Delhi and
Lord Karan Bilimoria in London. 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 author. the story was expected to be adapted into a web series by
Arka Mediaworks.
Rebel Sultans, Pillai's second work, narrates the story of the
late medieval Deccan over four centuries. 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. ==List of works==