Research Works

• The Story of Lalbazar -Its Origin and Growth, Firma K.L.M Pvt.Ltd. Kolkata, 1982.The first -ever history of Calcutta (Kolkata) Police.
• Lepchas and their Heritage, BR. Publishing Corporation, Delhi, 1990. A pioneering work on the Lepchas (actually, Rongs) of Sikkim and Darjeeling. Available on www. Amazon.com and other websites.
• Article on The INA 's Secret Service available in Netaji Subhas Chandra Bose and Indian Freedom Struggle, Volume 2, edited by Ratna Ghosh, Deep and Deep Publications (P.) Ltd., Rajouri Garden, New Delhi, 2006.
• Article titled Victory unto Defeat: the INA on the Kohima Front published in Netaji Subhas Chandra Bose Birth Centenary Volume, Jayashree Patrika Trust, Kolkata, December, 1999.
• Article titled The INA 's Kohima Offensive-An Untold Account published in the Netaji Subhas Chandra Bose Commemorative Volume published by Scottish College, Kolkata, 1998.
• Article   on Rev. Lai Behari Day- A Lonely Rebel published in the 175th Year Commemorative Volume (1830-2005) of Scottish Church College, Kolkata, 2008.
• Article captioned Valmiki 's Rama: A Historical Perspective in the Puja Number of Pouraniki, the quarterly journal of the Indian Mythological Research Centre, Kolkata, 2003.
• Article on Aryan Civilization in Ancient Mesopotamia (in Bengali) in the Puja Number of Pouraniki and the monthly literary magazine Prantik, 2005.
• Article captioned In Quest of the Location of Ravana's Lanka (in Bengali) in the Puja Number of the popular monthly Prasad.