The book provides information in its various chapters on some of the latest aspects of micropropagation, microbiology, biofertilizer, nanotechnology, RNA interference, metabolomics, biosurfactants, secondary metabolites, cancer therapy, biofuel and biostatistics etc. All the chapters have been well compiled with great dedication and sincerity and authors own the authenticity of information available in the book. We hope the book will be useful to large sections of people of diverse occupations including students, researchers, teachers, scientists, planners and policymakers, general readers and intellectuals etc.