S. Radhakrishnan
14 candidacies between 1967 and 2021, 1 won, across 11 constituencies.
Constituencies contested
11 distinct seats
| Constituency | State | House | Contested | Won | Last fought |
|---|---|---|---|---|---|
| VRIDDHACHALAM | Tamil Nadu | AE | 1 | 0 | 2021 |
| KADIRGAMAM | Puducherry | AE | 1 | 0 | 2016 |
| PATHANAMTHITTA | Kerala | LS | 1 | 0 | 2014 |
| RANNI | Kerala | AE | 1 | 0 | 2011 |
| MADATHUKULAM | Tamil Nadu | AE | 1 | 0 | 2011 |
| KOLLAM | Kerala | LS | 1 | 0 | 2009 |
| ERAVIPURAM | Kerala | AE | 4 | 0 | 2006 |
| KUTTANAD | Kerala | AE | 1 | 0 | 1991 |
| THATTANCHAVADY | Puducherry | AE | 1 | 0 | 1991 |
| CUDDALORE | Tamil Nadu | LS | 1 | 1 | 1971 |
| CUDDALORE | Madras | LS | 1 | 0 | 1967 |
