Ramakrishnan started out as an assistant to director
K. Balachander and later worked with director
Cheran, with the aim of becoming a director. He later changed his mind when
S. P. B. Charan asked him to play the lead in the rural drama
Kunguma Poovum Konjum Puravum (2009) directed by Rajmohan. He worked on the film instead of acting in
Pandiraj's
Pasanga (2009). He later followed it up with
Goripalayam (2010) directed by
Rasu Madhuravan and the long-delayed
Vetkathai Kettal Enna Tharuvaai, where he was supposed to portray lead actor but was replaced by Ashok and ended up portraying a guest appearance. Ramakrishnan also agreed to direct a script for Charan's production house but the film eventually did not materialise. In 2014, he directed and starred in
Pongadi Neengalum Unga Kadhalum (2014), which was widely criticised by reviewers for its sexist theme. In 2017, he appeared in
Yentha Nerathilum and
Oru Kanavu Pola. == Filmography ==