Studies on sylhet limestone of Shella formation around Umrangchu area , North Cachar hills district, Assam
An outline history of Arunachal Pradesh from1874 to 1947 AD with special reference to sociocultural aspects
A cultural history of the kacharis of north eastern India with special reference to their activities in NC hills and Cachar
History of education in Assam during medieval period 1228 1826 A D
The economic history of Assam
