Shimla: Lieutenant General P.C. Thimayya, who was serving as the 21st General Officer Commanding-in-Chief of the Army Training Command (GOC-in-C, ARTRAC) here, retired from service after duty hours on April 30, 2020, an Army official said. Lieutenant General Pattacheruvanda Chengappa Thimayya, PVSM, VSM, ADC, had assumed office on Nov. 1, 2018 from Lt. Gen. Manoj…