Chapter 1: Design & Simulate of Vertical Handover Algorithm for Intelligent Transport System Using Analytic Hierarchy Process.- Chapter 2: Particulate Matter Emission Assessment and Future Outlook through Air Dispersion Model for Sustainable Development Planning in an Inland City in Central Maharashtra, India.- Chapter 3: Strategies on implementation of anaerobic digestion for circular economy in India.- Chapter 4: Sensitivity study on the classical biofilm model using a simplified solution method.- Chapter 5: Risk of extinction of species in an ecological system: estimation and analysis.- Chapter 6: Brassica juncea (L.)Czern. (Indian mustard): A potential candidate for the phytoremediation of mercury from soil.- Chapter 7: Stabilization of Expansive Soil Using Saw Dust.- Chapter 8: Analysing the Influence of Groundwater Exploitation on Its Quality in Kolkata.- Chapter 9: Efficacy evaluation of conventional water treatment process and THMs modeling in drinking water of five cities in India.- Chapter 10: Study of Water Quality Index to ascertain the suitability of surface water for domesticpurposes.- Chapter 11: Evaluation of anthropogenic driven water pollution effects in an urban freshwater resource using Integration Pollution Index Method.- Chapter 12: Improved Sequential Approach for Hybrid Bioleaching of Metals from E-Waste.- Chapter 13: Green Energy Based Low Cost Smart Indoor Air Quality Monitoring And Purifying System.- Chapter 14: Degradation of phenol using batch-fluidization process by transition metal impregnated red mud as modified catalyst in heterogeneous Fenton process.- Chapter 15: Application of low-cost air quality monitoring sensor to assess the exposure of ambient air pollution due to PM2.5 and PM10.- Chapter 16: Estimation of Green House Gases in the Ambient Air.