This book includes selected papers presented in 3rd International Conference on Computational Intelligence, Data Science, and Cloud Computing (IEM-ICDC 2025), organized by the Department of Information Technology and Computer Science & Engineering, Institute of Engineering and Management, Kolkata, India, during April 11 – 12, 2025. It covers substantial new findings about AI and robotics, image processing and NLP, cloud computing and big data analytics as well as in cyber-security, blockchain and IoT, and various allied fields. The book serves as a reference resource for researchers and practitioners in academia and industry.