BJP
INCCPISHSThe table below lists Bharatiya Janata Party (BJP) 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 | O Rajagopal | 228,052 | 29.86 | 3 | Lost |
| 1999 | O. Rajagopal | 158,221 | 20.93 | 3 | Lost |
| 1998 | Kerala Varma Raja | 94,303 | 12.39 | 3 | Lost |
| 1996 | K.Raman Pillai | 74,904 | 10.63 | 3 | Lost |
| 1991 | O. Rajagopalam | 80,566 | 11.33 | 3 | Lost |
| 1989 | P. Asok Kumar | 56,046 | 7.48 | 3 | Lost |