Synthesis of Heterocycles through Multi-component Reactions in Water -- Sustainable Approaches towards the Synthesis of Quinoxalines -- Eco-friendly Synthesis of Bioactive Heterocycles -- Ammonium and Phosphonium Based Ionic Liquid: Green and Reusable Catalysts -- An Approach towards Green Switch through Nano catalysis for the Synthesis of Biodynamic Heterocycles -- Microwave Induced Synthesis of Various Quinoline Derivatives: Green Methodologies in Organic Synthesis -- Imidazolium Ionic Liquids: An Environment Friendly Medium for Various Applications -- Water: A Benign Solvent for the Synthesis of Various Organic Moieties -- Synthesis and synthetic applications of Biologically interesting Rhodanine and Rhodanine-based Scaffolds -- Molecular Iodine: Mild, Green and Nontoxic Lewis Acid Catalyst for the Synthesis of Heterocyclic Compounds -- Microwave Radiations: A Tool for the Synthesis of Heterocycles in an Eco-friendly Manner -- Green Chemistry Approach using Heterogeneous Catalysts in the Heterocyclic Synthesis -- Synthesis and Biological Evaluation of Some Quinazoline Heterocyclic Derivatives.