Postharvest losses, loss reduction technology, handling, maturity indices, postharvest treatments, fruit and vegetable processing aspects, juice processing, drying, extrusion cooking, osmotic dehydration, technology for production of mushroom products, technology for production of health foods, indigenously fermented food products, flavour production technology, fermentation technology for wine production, lactic fermented beverages, latest technique of analysis, application of enzymes in food processing, biotechnology in food processing, juice concentration technology, sensory evaluation of food, processing waste utilization technology, oil extraction methodology, ready - to- eat product preparation, confectionary preparation, quality assurance, food safety and standard authority of India, project preparation, e-marketing of processed products, etc.