| # | Organisation | Contact |
|---|---|---|
| 21. |
Tropical Botanic Garden and Research Institute Palode Thiruvananthapuram - 695562 |
0472-2869226 Visit website |
| 22. |
University of Kerala Palayam Thiruvananthapuram - 695033 |
0471-2386226 |
| 23. |
Vaidyaratnam Oushadhasala Ollur, Thaikkattussery Thrissur - 680322 |
0487-2352338 Visit website |