CPI
SHSThe table below lists Communist Party of India (CPI) candidates, their total votes, vote share and final position in Trivandrum Lok Sabha Constituency in Kerala.
| Election year | Candidate Name | Votes Received | Vote Share (%) | Position | Status |
|---|---|---|---|---|---|
| 2004 | P. K. Vasudevan Nair | 286,057 | 37.45 | 1 | Won |
| 1999 | Kaniyapuram Ramachandran | 273,905 | 36.23 | 2 | Lost |
| 1998 | K.V. Surendra Nath | 322,031 | 42.33 | 2 | Lost |
| 1996 | K.V.Surendranath | 312,622 | 44.38 | 1 | Won |
| 1991 | E.J. Vijayamma (W) | 290,602 | 40.85 | 2 | Lost |
| 1980 | M. N. Govindan Nair | 166,761 | 37.09 | 2 | Lost |
| 1977 | M. N. Govindan Nair | 244,277 | 56.34 | 1 | Won |