Tilak Devasher has taken to writing after he retired from the cabinet secretariat Government of India as special secretary in 2014. He is the author of two widely acclaimed books on Pakistan--Pakistan: Courting the Abyss (2016) and Pakistan: At the Helm (2018).
During his professional career with the cabinet secretariat he specialized in security issues pertaining to India's neighbourhood. Post retirement he has continued to take a keen interest in India's neighbourhood with special focus on Pakistan and Afghanistan. He has written articles for various national newspapers and magazines and has also appeared on TV shows on leading news channels like India Today Times Now CNN News18 and Rajya Sabha TV.
Devasher did his schooling from Mayo College Ajmer and studied history at St Stephen's College Delhi at the undergraduate level and at the University of Delhi at the postgraduate level.
He is currently a member of the National Security Advisory Board (NSAB) and a consultant with the Vivekananda International Foundation (VIF).