CPI
The table below lists Communist Party of India (CPI) candidates, their total votes, vote share and final position in Nagapattinam Lok Sabha Constituency in Madras.
| Election year | Candidate Name | Votes Received | Vote Share (%) | Position | Status |
|---|---|---|---|---|---|
| 1967 | M. Kathamuthu | 75,812 | 19.29 | 3 | Lost |
| 1962 | C. Kandasamy Thevar | 129,004 | 36.74 | 2 | Lost |
| 1957 | A. K. Subbiah | 151,704 | 16.2 | 3 | Lost |