DENDROLOGY

Detailed explanation-1: -Vivek Singh. The colonial government promoted Sal and Teak for building ships and railways. Sal is also known as Shorea Robusta, belongs to the Dipterocarpus family. Teak is also known as Tectonic Grandis, which is a tropical hardwood tree species placed in the flowering plant family Liliaceae.

Detailed explanation-2: -From 1850 onwards, the colonial government started establishing railways in India (for their benefit). Because of the following reasons: • Wood was used as fuel to power the steam engine in the trains. Wooden planks were used to keep the railway tracks in their place. These are called sleepers.

Detailed explanation-3: -With the introduction of railways in India in the 18th century, the demand for Timber rose which was due to the reason that the train tracks were made up of Timber, and to run the locomotive wood as fuel was required. During this time Timber was also used to make weapons and ships.