Microbial ecosystems represent a delicately balanced population of microorganisms each interacting with and influencing other members of the population. Microbial Interactions 2021 will be the best platform for all the Microbiologist, Scientists, Research Scholars, Students, Technologists who are working in this field to exchange their knowledge related to microbial interactions its evolution, diversity and role. This International event is an effort to find information that will indicate the possible interactions between the organisms and conducting such experiments, new techniques that will lead to the formulation of control measures, often using an alteration of the environmental factors for regulation of the microbial ecologies