Explore the indispensable role of microbes in our ecosystems! This comprehensive volume delves into microbial diversity and functions, featuring 31 original articles by distinguished Indian scientists. Discover vital insights into VAM fungi, microbial technology for effluent treatment, extremophiles, biopesticides, biofertilizers, and the evolution of microbial biodiversity. Essential reading for microbiology students, researchers, and professionals seeking to understand and harness the power of microorganisms for societal benefit and environmental sustainability in India.