The Department of Applied Physics, University of Calcutta, India is going to celebrate its centenary year in 2024. As a part of this milestone, the department is organizing its flagship conference, the 3rd International Conference on Control, Instrumentation , Energy and Communication (CIEC24). CIEC24 will be jointly organised with IEEE Joint CSS-IMS Kolkata Chapter, India. The CIEC24 International Conference focuses on Control, Instrumentation, Energy, Communication and Signal Processing in Electrical and Instrumentation Engineering. Moreover, it incorporates mechatronics and intelligent systems, automation and robotics, and control theory and applications. smart sensors, green energy systems, smart grids and microgrids, machine learning, and cybersecurity.