Part 1: Healthcare Informatics -- Chapter 1. Earth Mover's Distance Based Automated Disease Tagging of Indian ECGs -- Chapter 2. Cardial Disease Prediction in Multi-variant Systems: A Short Survey -- Chapter 3. SVM-based pre-and post-treatment cancer segmentation from lung and abdominal CT images via neighbourhood-influenced features -- Chapter 4. Blood Cancer Detection with Microscopic Images using Machine Learning.-Chapter 5. A Survey on Leukemia Detection: A Machine Learning Approach -- Chapter 6. Periocular Region Recognition - A Brief Survey -- Chapter 7. A Bibliometric Analysis on the relationship between Emotional Intelligence, Self-Management and Health Information Seeking -- Chapter 8. Preferences in the Detailing Process Among Young and Senior Physicians -- Chapter 9. Perceptual Difference Patient & Physician on Negative Aspects of Social Media -- Chapter 10. AUTCD-Net: An Automated Framework for Efficient Covid-19 Diagnosis on Computed Tomography Scans -- Chapter 11. Computer aided detection of brain midline using CT images -- Chapter 12. Deep neural network based classification of ASD and neuro-typical subjects using functional connectivity features derived from resting state fMRI data -- Chapter 13. Application of Deep Learning in Healthcare -- Part 2: Recommendation Systems -- Chapter 14. A Popularity-based Recommendation System using Machine Learning -- Chapter 15. Machine Learning based Movies and Shows Recommendation System. etc.