Dr. TRK Rao has a PhD in Agricultural Science from Indian Agricultural Research Institute and also a Masters in Economic Policy Management from Colombia University, New York. His selections in UPSC Exams include- Indian Forest Services (in 1983 Exam), Indian Accounts and Audit Service (in 1984 Exam), Indian Railway Traffic Services (in 1985 Exam) and Indian Revenue Services (in 1986 Exam) and he joined in Indian Railway Traffic Services (IRTS).
Dr. T.R.K. Rao belongs to the 1986 batch of Indian Railway Traffic Service (IRTS) and held various key positions in the Ministry of Railways and State Government. His earlier positions included Vice-Chairman-cum-Managing Director of A.P. Mineral Development Corporation Ltd., Hyderabad, Managing Director of Sports Authority and Executive Director (Finance, Marketing & Public Relations) in Singareni Collieries Limited. He also served as a Special Secretary Infrastructure and Revenue (Disaster Management) in Govt. of A.P. In Railways, he worked as Additional Divisional Manager and Dy. General Manager and other senior level assignments. He holds Doctorate Degree from Indian Agricultural Institute, New Delhi and also Master in Economic Policy Management from Columbia University, USA. He has also worked as Consultant at the World Bank, Washington DC. He served as Director on various Boards like Hindustan Shipyard Ltd, GMR Hyderabad, Visakhapatnam Port Trust etc.