RK Nagar by-poll results - At the end of 12th round, TTV Dinakaran continues to maintain a healthy lead.
Major Contestants
* Independent contestant TTV Dinakaran leads. TTV secures 64627 votes and maintains a promising lead at the end of 12th round. 7 more rounds of counting to go.
* Counting going on at Queen Mary's College. Total number of contestants 59.
More to follow...
Major Contestants
| Party | Candidate Name | Bypoll Result |
| Independent | TTV Dinakaran | 60584 |
| AIADMK | Madhusudhanan | 30555 |
| DMK | Marudhuganesh | 15977 |
| BJP | Karu. Nagarajan | 837 |
| Naam Tamilar | Kalaikotayam | 2607 |
| Nota | 722 |
* Independent contestant TTV Dinakaran leads. TTV secures 64627 votes and maintains a promising lead at the end of 12th round. 7 more rounds of counting to go.
* Counting going on at Queen Mary's College. Total number of contestants 59.
More to follow...