Formed on 14 April 1951
Predecessor: The Madras and Southern Maratta Railway, The South Indian Railway Company and The Mysore State Railway. The Mysore State Railway.
Six Divisions:
Chennai Division
Tiruchchirappalli Division
Madurai Division
Palakkad Division
Thiruvananthapuram Division
Salem Division
| Day | Members | Gain | % Gain |
|---|---|---|---|
| June 24, 2024 | 25 | +2 | +8.7% |
| March 19, 2024 | 23 | 0 | 0.0% |
| January 29, 2024 | 23 | 0 | 0.0% |
| December 15, 2023 | 23 | +1 | +4.6% |
| November 05, 2023 | 22 | 0 | 0.0% |
| October 06, 2023 | 22 | 0 | 0.0% |
| September 06, 2023 | 22 | 0 | 0.0% |
| August 09, 2023 | 22 | 0 | 0.0% |
| July 07, 2023 | 22 | 0 | 0.0% |
| June 15, 2023 | 22 | 0 | 0.0% |
| March 15, 2023 | 22 | 0 | 0.0% |
| August 26, 2022 | 22 | +1 | +4.8% |
| August 20, 2022 | 21 | +1 | +5.0% |
| July 31, 2022 | 20 | -1 | -4.8% |
| April 16, 2022 | 21 | +1 | +5.0% |
| March 11, 2022 | 20 | +5 | +33.4% |
| November 22, 2021 | 15 | +1 | +7.2% |