Rajesh Kumar has completed various training courses at Infosys' Education and Research Department, as detailed in the certificate. He achieved grades ranging from A to Pass in 23 courses covering topics such as computer systems, problem solving, operating systems, programming, databases, object oriented programming, software engineering, web technologies, and enterprise application development using technologies like Java, JavaScript, JSP, JSF, Oracle, and more. Rajesh successfully completed the Foundation Program in January 2011. All course details are maintained by Infosys' Education and Research Department.