Ramamurthy was elected as a member of the Lok Sabha six times and was defeated twice, in 1996 and 1999. He was involved with the International Labour Organization and served as minister of state for Labour with independent charge in the Congress government led by P. V. Narasimha Rao for a brief period in 1991. He quit his ministerial post on the Cauvery issue.[4]
He was president of the TNCC for six years before being replaced in 1996 when he formed the Tamil Nadu unit of the Tiwari Congress. Ramamurthy went back to the Congress but left that party again to form Tamizhaga Rajiv Congress (TRC).[5] He was part of NDA and become Minister of Petroleum and Natural Gas. With the creation of the TRC, he subsequently announced that it would have an alliance with AIADMK in the upcoming Lok Sabha election.[5] A few days later, J. Jayalalitha announced that TRC was entering the AIADMK-led front, although she denied having engineered the split in the Congress Party.[6] In January 2002, after eight years, Ramamurthy merged TRC with Congress.[7]
Ramamurthy was associated with various trade unions and workers' organizations, serving as honorary president of INTUC Tamil Nadu, Founder-President of the International Institute for Non-aligned Studies, Vice-President of INTUC, Tamil Nadu, and founding member and president of Indian National Rural Labour Federation INRLF, a labour union formed for unorganized rural employees.
1977-79 Member, Committee on Papers Laid on the Table; Member, Business Advisory Committee; Member, Consultative Committee, Ministry of Labour; Deputy Chief Whip, Congress Parliamentary Party, (Indira) [C.P.P.(I)]
1980 Member, Committee on Public Undertakings; Member, Business Advisory Committee; Member, Committee on Privileges; Member, Consultative Committee, Ministry of Labour
1986-89 Member, Committee on Public Accounts; Member, Consultative Committee, Ministry of Labor
1990 Member, Committee of Privileges, Member, Consultative Committee, Ministry of Labor and Welfare[17]
Personal life
His wife, R Kalaimani, was a retired teacher, and they shared two sons and a daughter. His eldest son, Vazhapadi Rama Suganthan, is an AICC member, INRLF National General Secretary and Chairman of Rajiv Gandhi Vazhapadi K Ramamurthy Charitable trust, while his younger son, Vazhapadi R Karnan, is President of INRLF Tamil Nadu state. He also married Meenakshi and they have a son, vazhapadi Rama kannan, state coordinator, youth congress.
Ramamurthy died in Chennai on 27 October 2002.[18]