Pi: Department of Mathematics, Hansraj College, one of the most prestigious departments of the Delhi University, is a quintessence of the most amazing minds forming a family. With its foundations laid by very fine mathematicians such as Prof. Shanti Narayan, Prof. M.C. Puri, Prof. S. C. Arora, and Dr. S. R. Arora, Dr. Harbans Lal, Dr. K. L. Bhatla, Dr. N.M. Kapoor, Dr. Satpal, and Sh. J. P. Pruthi as guiding lights, the department has always strived to nurture and create global leaders and has made a name for itself for its academic excellence. The department aspires that its students get the most out of their time studying at college through classroom teaching combined with co-curricular experiences.