Cho Ramaswamy was born on 5th October 1934 in Chennai. His father is R. Srinivasa Iyer and his mother is Rajammal. He broke away from G. K. Moopanar and joined M. Karunanidhi in the year 1996, but this relationship did not last long. The main reason for this is due to the release of ransom to sandalwood smuggler Veerappan to free Kannada actor Rajkumar. He is also a consumer activist helping the consumers to get their rights.
He started the magazine Thuglak in the year 1970. This is a political weekly magazine. He conveys his message to people through political satire. His drama Muhammed Bin Thuglak was staged more than 1000 times in which he brought out the hypocrisy and duplicity of politicians. He also criticized the emergency decree of Indira Gandhi and the attitude of Prime Minister Dr. Manmohan Singh towards Pakistan. He played main role in bringing together Tamil Maanila Congress and DMK in 1996 election. In 2011 election he supported AIADMK.
He was nominated to Rajya Sabha by K. R. Narayanan, the President of India at that time. President nominates 12 M.P.s who excel in the fields of art, social service or literature and he was one of them. He served as the member of the Rajya Sabha from November 1999 to November 2005.