Observer contact details
| Designation | Name | Phone No. | Mobile No. |
| General Observer | Shri.S.HARISH, IAS | 04575 240450 | 9486015596 |
| Expenditure Observer | Shri.Manojkumar Tripathi, IRS | — | 9486045408 |
| Police Observer | Shri.Rohan P Kanay, IPS | — | 8925925389 |
Returning officer contact details
| Parliament constituency | Designation | Phone No. | Mobile No. | |
| 31-Sivagangai paraliamentary constituency | District Election Officer and Collector, Sivagangai | elect.tnsvg@nic.in | 04575-241466 | 9444182000 |
Assistant Returning officer contact details
| Assembly constituency | Designation | Phone No. | Mobile No. | |
| 181 – Thirumayam | Assistant Commissioner (Excise), Pudukkottai | ro.thirumayam@tn.gov.in | 04322-222989 | 9445074590 |
| 182 – Alangudi | District Supply and Consumer Protection Officer, Pudukkottai | ro.alangudi@tn.gov.in | 04322-221577 | 9445000311 |
| 184 – Karaikudi | Revenue Divisional Officer, Devakottai | ro.karaikudi@tn.gov.in | 04561-272283 | 9445000470 |
| 185 – Tiruppathur | Additional PA to Collector (Land), Sivaganga | ro.tiruppattur@tn.gov.in | 04575-240800 | 9842596430 |
| 186 – Sivagangai | Revenue Divisional Officer, Sivagangai | ro.sivaganga@tn.gov.in | 04575-240243 | 9445000471 |
| 187 – Manamadurai (SC) | District Backward Welfare Officer, Sivaganga | ro.manamadurai@tn.gov.in | 04575-240800 | 9445477845 |