Professor (Dr.) R. Nagendran remained Lecture in Zoology/ /Environmental Science, St. Joseph’s College, Bangalore (1981- 1988). Assistant Professor in Environmental Science, Goa College of Engineering, Farmagudi, Goa (1989-1993). He was appointed to the National Green Tribunal as an Expert Member on May 5, 2011, and his tenure ended on May 11, 2016.