The Department of Microbiology at Gayatri vidya parishad college for Degree and P.G. Courses (A) was established in the year 2005 and inaugurated by Dr. B. Swamy, President, Gayatri Vidya Parishad. The Department offers B.Sc. Honours (Microbiology) Major program with a maximum intake of 33. It also offers Microbiology and Food Science & Technology as Minors from the academic Year 2023-24. Microbiology is the Applied branch of Biological Science in which the students are trained in the practical and theoretical Knowledge on Microorganisms, their Physiology & Metabolism and Economic importance of Microorganisms in various fields like Agriculture, Medical, Industrial and Environment. The students are given hands on training on latest technologies in Microbiology.

Major Focus areas are Microbial Diversity, Microbial and Molecular Techniques, Medical Microbiology, Industrial Microbiology, Environmental and Agricultural Microbiology, Food and Dairy Microbiology, Pharmaceutical Microbiology and Drug Design and Discovery