Attainment of Program Outcomes in Outcome Based Education: A Case Study with Operating Systems Course -- Classification of Iris Image Features using Supervised and Unsupervised Learning -- Privacy Preserved Effective Bill Collection System using Blockchain -- Speech Emotion Recognition using Convolutional Neural Networks on Spectrograms and Mel-frequency Cepstral Coefficients Images -- Automatic recognition and categorization of Tomato Leaf syndrome of diseases using Deep Learning Algorithms -- Fake News Detection Approach based on Logistic Regression in Machine Learning -- A Survey on Deep Learning Methods for Addressing Covid 19 Issues -- An Application for Privacy-Preserving Contact Tracing and Public Risk Assessment using Blockchain for Covid-19 Pandemic -- Understanding the Impact of SNS on Education -- IoT-based Real-time Air Quality Monitoring and Alerting System for Patients with Chronic Respiratory Disease -- Analysis of Information System's in Cyber Crimes through Wireless Networks.