Azadirachta indica
Forests are mainly tropical rain forest. Important reserved forests includes Ranga Reserve, Kakoi Reserve, Dulung Reserve and Pabho Reserve. Some varieties are Hollokh (Terminalia myriocarpa), Ajhar (Lagerstroemia speciosa), Simolu (Bombax ceiba or Salmalia malabarica), Sum (Machilus), Gomari (Gmelina arborea), Sisu (Dalbergia sissoo), Silikha (Terminalia chebula), Neem (Azadirachta indica), Nahar (Mesua ferrea) etc. Wild elephants, buffaloes, tigers, deer etc. are there in the forests. Varieties of bird species are observed in swampy areas.