Ramakumar published several articles on Robotics and Remote handling technologies and peer reviewed a few journals of international repute. He was a member of the advisory board of the Indian Conference on Computer Vision, Graphics and Image Processing, organised by Space Applications Centre of the Indian Space Research Organization (ISRO) at Ahmedabad, in 2002 and was an external examiner of the Indian Institute of Technology, Mumbai. Government of India awarded him the fourth highest civilian award of the Padmashri in 1999.