Politico-Economic and Cultural History of Bengal Sultanate
Indo-Islamic architecture till 18th CE
Medieval Archaeology with emphasis on surface survey and field study
Study of Coin Hoards of the Bengal Sultans with emphasis on Islamic coins of Bengal and other provincial sultans including Delhi
Architecture of Sultanate Bengal and comparative study of contemporaryIndoIslamic architecture in India.
Chinese Ming porcelain
2017: Authored Coin Hoards of the Bengal Sultans: 1205-1576 AD (From West Bengal, Bihar, Jharkhand, Assam and Bangladesh), Publisher: Shubhi Publications, Gurgaon, India. ISBN: 978-81-8290-408-8
2015: Edited Journal of Islamic History and Culture of India, Volume 2, 2013, Calcutta University Press, Kolkata. ISSN: 2347-8187
2013: Edited Journal of Islamic History and Culture of India,(a journal of the Department of Islamic History and Culture, University of Calcutta), Vol. 1, 2012, Special Issue, Calcutta University Press, Kolkata. ISSN: 2347-8187.
2010: Edited Gold Coins in the collection of the Asiatic Society,published by The Asiatic Society, Kolkata. (The book has been reviewed by Nicholas Rhodes in the Journal of the Oriental Numismatic Society, London, No. 206, 2011, p.6).
2007: Edited (jointly with Gouriswar Bhattacharya, Mallar Mitra & Gerd Mevissen), Kalhar: Studies in Art, Iconography, Architecture and Archaeology of India and Bangladesh,(Prof. Enamul Haque Felicitation volume), Kaveri Book Service, New Delhi, ISBN: 81-7479-080-2.
1997: Edited (jointly with Pratip Kumar Mitra) Coins of Medieval India: A Newly Discovered Coin Hoard from West Bengal ,Books & Books, New Delhi, ISBN: 81- 85016-53-4. (Citation: Syed Ejaz Hussain, The Bengal Sultanate:Politics, Econnomy and Coins (AD 1205-1576), Manohar, New Delhi, 2003. ISBN 81-7304-482-1)