Government of Kerala
| Nofification No. | Date |
| C4 – 21437/2000 | 04.10.2000 |
| C4 – 21437/2000 | 21.04.2000 |
| EFL – 1-134/2006 | 14.08.2006 |
| EFL – 12-213/2006 | 26.11.2008 |
| EFL – 1-134/2006 | 15.11.2008 |
| EFL – 10-20/2000 | 29.06.2009 |
| EFL – 10-269/2011 | 16.03.2011 |
| EFL – 10-894/2011 | 29.07.2011 |
| EFL – 10-1203/2011 | 04.10.2011 |
| EFL – 1-441/2013 | 09.04.2013 |
| EFL – 10-311/2013 | 26.10.2013 |