The present volume of Contemporary Advances in Science & Technology is focused on advances in chemical and Biological Sciences. These includes Pesticides, Medicinal Plants Utilized in Marketed anti- Arthritic Formulations, Inorganic Ion Exchangers, Organic Farming, Ethical and Practical Implications of Biological Patents, Nanomaterials and its Synthesis and Characterization, 4-Thiazolidinones Derivatives, Impact of COVID-19, Hippuric Acid and Acetohydrazide Substrate Linked Pyrazoles Derivatives, Ion-Solvation in Drug-Amino Acid Interactions.