The correct answer is B. 1540.
Sher Shah Suri was a Pashtun warrior who emerged as the new ruler of India after defeating Humayun in the Battle of Chausa in 1540. He ruled India for five years until his death in 1545. Sher Shah Suri was a great administrator and builder. He built many roads, bridges, and canals. He also introduced a new coinage system. Sher Shah Suri was a popular ruler and his death was mourned by many.
Option A is incorrect because 1450 is too early. Sher Shah Suri was born in 1486.
Option C is incorrect because 1600 is too late. Sher Shah Suri died in 1545.
Option D is incorrect because 1650 is too late. Sher Shah Suri was not alive in 1650.