Immunology is a branch of biology that covers the study of immune systems in all organisms. The immune system refers to a collection of cells and proteins that function to protect the skin, respiratory passages, intestinal tract and other areas from foreign antigens, such as microbes, viruses, cancer cells, and toxins. Looking in to the importance of immunology department of Zoology, IIS (Deemed to be University) Jaipur organized a poster competition which was held on 9th October, 2018. Students prepared posters related to topics of immunology studied by them in there syllabi. The best posters were displayed on the Departmental Notice board. The students were awarded and certificates were given.