Chapter 1. Detection of Brain Tumor Using K-Means Clustering -- Chapter 2. Energy-Efficiency in IoT based Smart Healthcare -- Chapter 3. On Efficient and Secure Multi-Access Edge Computing for Internet of Things -- Chapter 4. Execution survey and state of the art of different ML-based Ensemble classifiers approach contextual analysis of spam remark location -- Chapter 5. T-Shaped MIMO Microstrip Patch Antenna for C-Band Applications -- Chapter 6. Timely Prediction of Diabetes by means of Machine Learning Practices -- Chapter 7. Real Time Eyesight Power Prediction using Deep Learning methods -- Chapter 8. Image Distortion Analysis in Stego-images using LSB -- Chapter 9. Towards A Secured IoT Communication: A Blockchain Implementation Through APIs -- Chapter 10. Application of Truffle Suite in a Blockchain Environment -- Chapter 11. An Unsupervised Machine Learning Approach to Prediction of Price for Taxi Rides -- Chapter 12. Facial Landmark Features Based Face Misclassification Detection System -- Chapter 13. Predictive Model for Agriculture Using Markov Model -- Chapter 14. Enhancement of Energy Efficiency in Wireless Sensor Network with Mobile Sink: A Survey -- Chapter 15. An Empirical Study of Design Techniques of Chatbot, A Review.