Completed  the book titled “To Cherish and Conserve – The  early years of the Archaeological Survey of India by John Kean.  The book records the immense effort of the early archaeologist explorers and administrative, who contributed to the discovery and documentation of India’s vast and varied archaeological heritage. It was  released on 20th December 2011 by Hon’ble Prime Minister Shri Manmohan Singh to Commemmorate 150 years of ASI.