[1] He was the director of Nuclear Fuels, Automation and Manufacturing Group of the Bhabha Atomic Research Centre (BARC), Trombay.
[2] He was the first Head of Division of Remote Handling of Robotics (DRHR) at the organization.
[3] Ramakumar was one of the key persons behind the Pokhran-II test, conducted by India in 1998.
[4][5] It was his team, which developed the online fuelling and coolant channel inspection systems for the power reactors for the 1998 tests.
Ramakumar published several articles on Robotics[7][8] and Remote handling technologies[2][9] and peer reviewed a few journals of international repute.