Plant Breeding from Classical Genetics to Molecular Approaches for Food and Nutrition Security -- Nanotechnology in Agriculture -- Contribution and Impact of Mutant Varieties on Food Security -- Mutation Breeding: Protocol and Role in crop improvement -- Transgenic Techniques for Plant Improvement: A brief Overview -- Mutagenesis and Transgenesis in Plant Breeding -- Crop Biofortification: Plant Breeding and Biotechnological Interventions to Combat Malnutrition -- In Vitro Techniques in Plant Breeding -- Crop improvement for sustainable food and nutritional security: Applications of mutagenesis and in vitro techniques -- Forward and Reverse Genetics in Crop Breeding -- Genetic mutations and molecular detection techniques in plant breeding -- RNA interference (RNAi) technology: an effective tool in plant breeding -- Doubled Haploid Production- Mechanism and Utilization in Plant Breeding -- TILLING and Eco-Tilling: Concept, Progress and its role in crop improvement -- Genome-Wide Association Study: A Powerful Approach to Map QTLs in Crop Plants -- Genome Editing - Mechanism and Utilization in Plant Breeding -- CRISPR/CAS: The Beginning of a New Era in Crop Improvement -- Next Generation Sequencing in Plant Breeding: Challenges and Possibilities.