Synopsis Twenty seven articles of renowned scientists of national and international repute in this volume give an information about variety of aspects related to microbes with special reference to their role in the service of mankind. The volume contains authoritative informations about the microbial life in the past as well as application of the microbes in various spheres like agriculture, forestry, medicines, industry, biological control and wasteland development. Articles on vermiculture, mycorrhiza and cyanobacteria give an insight to the future strategies and prospects of plant care. The articles will be useful to all those interested in the microbes and their role in the welfare of mankind.