This book highlights selected peer-reviewed articles from the International Conference on Emerging Concepts and Research in Integrated Sustainable Adaptation, ERICSA 2026, held in Colombo, Sri Lanka, under the theme "Technological Synergies for a sustainable Sri Lanka." This conference offers a vital platform to publish academic and innovative industrial solutions in wide array of subject domains, namely, electronics and communication engineering, information technology, space technology and its applications, robotics, and astronomy. Other than above multidisciplinary subject domains, the conference include a unique Industry Track, which consists of short articles showcasing innovative products and solutions. The primary beneficiaries include practicing engineers, scientists, graduate students, and other professionals engaged in research, development, and innovation.