chengannur by election
- May- 2018 -8 May
- 7 May
- 7 May
- 7 May
- 7 May
- 7 May
- 6 May
- 5 May
- 5 May
- 4 May
- 4 May
- 4 May
- 4 May
- 2 May
- Apr- 2018 -30 April
- 30 April
- 28 April
- 27 April
- 27 April
- 27 April
- 27 April
- 8 April
- 3 April
- 3 April
- 1 April
