His next book ‘Raj to Rajiv: 40 Years of Indian Independence' was co-authored with Zareer Masani and was based on a BBC radio series of the same name. The book was, in the US, was published under the title ‘India: Forty Years of Independence'.
In 1988, ‘No Full Stops in India', a collection of journalistic essays, was published in the US.
‘The Heart of India', Tully's only work of fiction, was published in 1995.
Tully wrote ‘India's Unending Journey' in 2008 and ‘India: The Road Ahead' in 2011 - published in India under the title ‘Non-Stop India'.
He authored ‘An Investigation into The Lives of Jesus' in 1996 to accompany the BBC series of the same name, and Mother in 1992 on Mother Teresa.
In November last year, Tully received his birth certificate from the Kolkata Municipal Corporation, 78 years after his birth. He needed it to apply for the Overseas Citizen of India status.