Mr. G. Ramalingam, Associate Director, Orbital Dynamics is an Aeronautical Engineer and is experienced in Orbit Determination and Orbit Maintenance of satellites. He played a pioneering role in establishing a space debris mitigation and collision avoidance program in ISRO. He is an expert in translational and angular calibration of tracking antennas and estimation & correction of various types of performance parameters in the ground station instruments based on data analytics.