Modeling & Simulation (M&S), Design and Development (D&D) of Electronic Warfare (EW) Sub-Systems, Research and Development (R&D) of Major Integrated EW Systems including Direction Finding (DF) and Radar ESM Systems, Electronic Counter-Measure (ECM) System against Radars, Phased Array Antenna, D&D of Active Integrated Antennas, Image and Acoustic Signal Processing, Speech Recognition, Adaptive Array and Adaptive Beam Forming/Nulling, Adaptive Echo Cancellation/Channel Equalisation/Adaptive Noise Cancellation SW Models, Satellite Communication Systems, Radio Communications, Artificial Neural Network (ANN), Machine Learning (ML), Modern Electronic Warfare (EW) Radar & Communication Systems (GSM, CDMA). Modeling & Simulation of International Ionospheric Models for GNSS, Wide Area Differential GPS (WA-DGPS), Indian Wide Area Augmentation System (INWAAS) for GAGAN Programme, WAAS(USA). MIMO/ Cognitive Radar & Cognitive EW (CEW)Systems, Software Defined Radio (SDR). Publication a number of Technical Papers in National and International journals of repute and various conferences in the areas of GAGAN, GPS, DSP, Communication and Radar Engineering. Evaluated PhD Thesis. Guided/Supervised to more than 120 students in the Final year Projects for B.Tech./M.E./M. Tech and PhD students. Chaired a number of Technical Sessions in National and International Conferences.Adaptive Echo Canceller/ Channel Equaliser/Adaptive Noise Canceller, Artificial Neural Network (ANN), Machine Learning(ML), Ionosphere delay studies for GNSS, WADGPS, GAGAN Programme. Publication a number of Technical Papers in National and International journals of repute and various conferences in the areas of GAGAN, GPS, DSP, Communication and Radar Engineering. Evaluated PhD Thesis. Guided/Supervised to more than 120 students in the Final year Projects for B.Tech./M.E./M. Tech and PhD students. Chaired a number of Technical Sessions in National and International Conferences.Working as Chairman, House Building Advance (HBA) Committee. Roles are sanction of home loans through HQrs and disbursement of home loan and its monthly EMI collections (both Loan and interest parts). Specialties: Modeling & Simulation of Radar & EW Systems, Cognitive EW, Ionospheric Grid Research for GAGAN, Adaptive Signal Processing. AI/ML, IoT, AR/VR.