On the eastern bottleneck of India, stretching from the Himalayas in the north to the Bay of Bengal in the south, West Bengal has diverse flora and fauna due to the varying altitude through the state. Forests however make up 14% of the geographical area which is less than the national average of 23%. Phytogeographically, the southern part of the state is divided into two regions namely the Gangetic plain and the Littoral mangrove forests. In the latter are located part of the world’s largest mangrove forest, The Sunderbans. Protected forests cover 4% of the state area.

1. Indian Institute of Technology, Kharagpur
2. North Bengal University, Siliguri
3. University of Calcutta, Kolkata
4. Institute of Alternative Medicine and Research Institute, Kolkata
5. Y.S. Parmar University of Horticulture & Forestry, Nauni-Solan
6. West Bengal State Medicinal Plants Board, Kolkata
7. Baidyanath Ayurved Bhavan, Kolkata
8. Chemi Homeo Laboratory Private Limited
9. RHB Trades, Kolkata
10. Cal-Trade, Kolkata
11. Dey’s Medical Stores, Kolkata
12. TCG Life Sciences, Kolkata