The Association of Microbiologists of India established in 1938 is one of the oldest and reputed scientific organizations of the country. Since its inception, it has contributed significantly towards development of microbiology, particularly in areas of research teaching and commerce in country. The Association publishes a quarterly journal, “Indian Journal of Microbiology” for the last 45 years and holds a National convention annually at one of the well established centers of microbiology in the country. At present, there are more than 2500 life and annual members and about 400 corporate members of the Association. Indian Journal of Microbiology, by publishing peer reviewed original research findings and research reviews from researchers in India and abroad, has been acquired as respectable status among national and international scientific research periodicals in the world.