This document contains information about 11 papers that were presented at the ICDIE'21 conference including the names of authors and their affiliations as well as the paper titles and numbers. The papers covered topics such as estimating food calories using computer vision techniques, 5G mobile communication technology, edge computing, machine learning algorithms for data science, blockchain for data science and business administration, the impact of digitalization on customer satisfaction in banking, intelligent sensor systems for agriculture, the impact of artificial intelligence on cyber security, predicting cardiovascular disease using optimization and classification algorithms, authentication using facial recognition in UPI, and digital image and video processing.