Introduction, techniques of biotechnology, applications of biotechnology, from biotechnology to biotics, cell biotechnology, genetic enginering, recombinant DNA technology, food microbiology, microbial food spoilage, growth of micro organisms, microbiology of anaerobic digestion, strategies for selection of appropriate biotechnology for industrial applications, biosensors in fermentation and environmental contro;, the new green revolution, biotechnology from farm to supermarket, composting of agricutural wastes, biotransformations, likely beneficiaries.