Ajit Kumar, born on August 3, 1953, is a retired Indian Administrative Service officer from the 1980 Bihar cadre. He holds graduate and postgraduate degrees in Physics and a postgraduate degree in Environmental Science. Throughout his career, he served in various capacities including Joint Secretary, Secretary, Additional Secretary, Commissioner, Managing Director, Director, Registrar Director, Private Secretary, District Collector, District Magistrate, Deputy Development Commissioner, Additional District Magistrate, Under Secretary, and Sub-Divisional Magistrate. His extensive administrative experience spans multiple roles across the Bihar cadre.