Q. Who defeated Humayun in the battle of Chausar? Answer:
Sher Shah Suri
Notes: Sher Shah Suri founded the Sur Empire in North India, defeating Mughal emperor Humayun at the Battle of Chausa (June 1539) and again at Kannauj (1540), exiling Humayun. He introduced the Rupiya currency and built the Grand Trunk Road, influencing future Mughal administration. He ruled until his death in 1545, known for strong governance and infrastructure.