The Department of Mathematics was started in Pandit Deendayal Upadhyaya Adarsha Mahavidyalaya, Eraligool from the very inception of the College in the year 2017. From the very inception of the Mahavidyalaya, both Honours and General Course in Mathematics is introduced under Assam University. Following a tradition of dedication and excellence in this diverse subject, the department comprises of highly qualified academicians with specializations in various fields of Mathematics. The students pursuing the course, B.Sc. (Hons.) Mathematics offered by the department, can look forward to the development of their logical ability and analytic skills. The semester-based syllabi provide a comprehensive survey of areas like analysis, algebra and mathematical modelling using differential equations. A lot of emphases is given to ‘hands-on’ exposure to modern software such as C programming through practical. Students graduating from the department have had a world of career options. A reasonable number can go for masters in pure or applied mathematics to prepare themselves for research and teaching. Others can excel in their chosen fields that include statistics, actuarial sciences, operation research, management, law, and the civil services.