| Chengam(S) Constituency |
| Chengam(SC) Assembly Election Result 2021 | ||
| Candidate Names | Party | Votes |
| M.P. Giri | DMK (Won) | 108081 |
| M.S. Nainakannu | ADMK | 96511 |
| S. Anbu | DMDK | 2769 |
| S.Suganraj | IJK | 828 |
| C. Venilla | NTK | 12080 |
| Chengam Constituency Population - 2021 | |||
| Male | Female | Transgender | Total |
| 1,35,563 | 1,37,760 | 10 | 2,73,333 |
| Tamil Nadu Ministers List - 2021 |
| Full Details of Tamil Nadu Ministers 2021 |
| 2016 Election Result | ||
| Name | Party | Votes |
| GIRI .M.P | DMK (WON) | 95,939 |
| DINAKARAN. M | ADMK | 83,248 |
| MURUGAN. C | PMK | 15,114 |
| 2011 Election Result | ||
| Name | Party | Votes |
| T. Sureshkumar (Winner) | DMDK | 83,722 |
| Selvaperunthagai.K (Runner UP) | INC | 72,225 |
| Chengam(SC) Constituency | ||
| MLA Name | Duration | Parties |
| Ramaswami Gounder | 1952 | CWP |
| T. Karia Gounder | 1957 | INC |
| C. K. Chinnaraji Gounder | 1962 | DMK |
| P. S. Santhanam | 1967 | DMK |
| C. Pandurangam | 1971 | DMK |
| T. Swamikannu | 1977 | ADMK |
| T. Swamikannu | 1980 | ADMK |
| T. Swamikannu | 1984 | ADMK |
| M. Settu | 1989 | JP |
| P. Veerapandiyan | 1991 | ADMK |
| K. V. Nannan | 1996 | DMK |
| Polur Varadhan | 2001 | INC |
| Polur Varadhan | 2006 | INC |
| T. Sureshkumar | 2011 | DMDK |
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