His research and teaching interests include Millimeter/THz Wave Technologies iits Applications in Communication and Imaging, Next-Generation Communication Systems (5G/6G)/Cognitive Radio/NOMA, Resource Allocation and Management, Interference Management, Applications of5G/6G in Sustainable Smart City, Industry 4.0/5.0, Healthcare 4.0, Intelligent Transport System, Energy Management (IoE) and Digital Farming. He has more than 22 years of teaching and research experience from Academia and Research & Development Institutions. He has supervised 16 PhD and 42 MTech. Theses (Awarded). He has executed several sponsored research projects of ISRO, DRDO and currently working on 5G Resource Allocation sponsored by SENTECH. He is the author of several books and book chapters published by Springer, Elsevier, IET, Wiley and CRC.