G^r]an.(Dipterocarpnsspp.) is the principal
species for railway sleepers in Bangladesh.
Wide and extensive use of this species has
already posed such a serious problem that
its supply is not adequate to meet the requirement
of the railway. As a result, sleepers are
being imported to alleviate the supply shortage.
It has, therefore, become essential to
find out other suitable indigenous species.
Considering its mechanical properties and