Tilak Devasher is the author of four widely acclaimed books on Pakistan: (i) ‘Pakistan: Courting the Abyss’ (December 2016) (ii) ‘Pakistan: At the Helm’ (July 2018), (iii) ‘Pakistan: The Balochistan
Conundrum’ (July 2019) and (iv) The Pashtuns: A Contested History (Sep 2022). He has also edited four books for the Vivekananda International Foundation (VIF) titled ‘Pakistan Insights 2019’, ‘Pakistan
Insights 2020’, ‘Pakistan Insights 2021-22’ and ‘Pakistan Insights 2023.’ 

Tilak retired as Special Secretary, Cabinet Secretariat, Government of India in October 2014. He is a former Member, National Security Advisory Board (NSAB).
During his professional career Tilak served in J&K, Delhi and abroad.
Tilak did his schooling from Mayo College, Ajmer (1965-1970) and hisunder/post-graduation in History from St Stephen’s College, Delhi (1971-76).