Master the intricate world of microorganisms with this essential biology textbook tailored for Indian students. Explore fungi, bacteria, and viruses comprehensively, alongside subviral pathogens like prions and viroids. Updated with the latest classifications in mycology, bacteriology, and virology, this guide is crucial for university science curricula. Gain in-depth knowledge on HIV and AIDS in a dedicated chapter. Perfect for undergraduate and postgraduate students across India seeking a robust understanding of microbiology and related life sciences, ensuring academic excellence.