The P.G. Department of Mathematics organized an extension lecture on 'Counting Principles' for the graduate and post-graduate students of the department. Dr. Gursharanjit, Professor of Mathematics at S.C.D. Government College, Ludhiana, was the guest speaker and Prof. N.S. Sidhu, Former Head, was the Guest of Honour. He was given a warm welcome by Prof. Jaswant Singh, Principal. In his address, Dr. Gursharanjit, discussed the four different form of Pigeon-hole principle and its relevance for the competitive examinations. He solved problems related to this principle which he emphasized as important for cracking the competitive exams. The students presented colorful posters on the counting principle concept. Pawandeep (M.Sc. II), Nancy & Amandeep (M.Sc. I) and Garima (B.Sc. II) bagged the first, second & third prize, respectively, in the poster making competition. In the end, a vote of thanks was given by Prof. Parveen Ansari, HOD.