Explain the welfare measures introduced by Sher Shah.

Sher Shah built roads to encourage trade, to provide convenience to travellers, to facilitate movement of troops and to carry on administration systematically. The most important roads built by Sher Shah included - the Grand Trunk Road between Sonargaon in Bangladesh and Peshawar in Pakistan; Road from Agra to Burhanpur; Road from Agra to Jodhpur to Chittor; and Road from Lahore to Multan. He built sarais (rest houses) for the travellers. These sarais were also used as dak chowkis (post offices). He also set up charitable hospitals and dispensaries.