| Cons. name | 2019 | 2014 | 2009 |
|---|---|---|---|
| Soreong-Chakung | SKM | SDF | SDF |
| Maneybung-Dentam | SDF | SDF | SDF |
| Rangang-Yangang | SDF | SDF | SDF |
| Namchi-Singhithang | SDF | SDF | SDF |
| Gangtok | SKM | SKM | SDF |
| Rhenock | SKM | SKM | SDF |
| Shyari | SKM | SKM | SDF |
| Lachen Mangan | SKM | SDF | SDF |
| Yoksam-Tashiding | SKM | SDF | SDF |
| Barfung | SDF | SDF | SDF |