1. Due to rapid population growth and the demand for more food, forests have been cleared for agricultural land.
2. Forests have been converted to pastureland for expanding dairy farming and cattle grazing.
3. Ever increasing demands for timbre for various purposes due to indrustial expansion and urbanisation has led to the shrinkage of forest area.
4. Construction of multi-purpose river valley projects has led to submerge of land and destruction of forests.