Nunnuyiriyal (Microbiology), the most interesting subject of a completely different world of organisms that are invisible to naked eyes. ‘Microorganisms’ as they are known, includes Bacteria, viruses, fungi and algae, and the subject deals in detail about the Morphology of the organisms, their physiological nature, Antigens with which they cause diseases, Pathogenicity of the organisms, clinical symptoms that they cause and the classical methods and modern techniques involved in diagnosing them. Besides causing diseases, microorganisms are also beneficial to our daily life which is also highlighted in the subject. Apart from the above, the Immune system of our human body and the way it tackles the infections are also taught to the students which make them understand the causes for various diseases and the way human body handles them. Microbiology laboratory is fully furnished with instruments like Autoclave, Hot Air oven, Microscopes and reagents for every student to explore themselves on this new kingdom of living beings.