Teaching Learning-Based Optimization with Learning Enthusiasm Mechanism for Optimal Control of PV Inverters in Utility Grids for Techno-Economic Goals -- Machine Learning Framework for Prediction of Parkinson's Disease in Cloud Environment -- A Comparative Analysis to Measure Scholastic Success of Students Using Data Science Methods -- Gesture-Controlled Speech Assist Device for the Verbally Disabled -- Highly Classified with Two Factor Authentication Encrypted Secured Mail -- Efficacious Intrusion Detection on Cloud Using Improved BES and HYBRID SKINET-EKNN.