As Superintending epigraphist, Ramesh succeeded G. S. Gai as the editor of ASI's bulletin Epigraphia Indica and edited the last two volumes in 1975-76 and 1977-78.
Post-retirement, Ramesh served as the Honorary Director of the Oriental Research Institute, Mysore from 1998 to 2006.
[5] When pottery bearing Tamil-Brahmi script found at Porunthal was radiocarbon dated to 490 BC, Ramesh cited the discovery in support of his claim.
Throughout Dr. Ramesh's career, he traveled extensively throughout India and around the world to countries in Europe, Asia and the U.S, consulting as an expert epigraphist.
Ramesh was fluent in Kannada, Sanskrit, English, Hindi, Tulu, Malayalam, Telugu and Tamil.