Why did Sher shah suri succeed against humayun?

Sher Shah Suri succeeded against Humayun due to a combination of strategic military tactics, effective administration, and popular support. He utilized guerrilla warfare and superior mobility, which outmaneuvered Humayun's forces. Additionally, Sher Shah's reforms, such as improving infrastructure and implementing a more efficient tax system, garnered local support that weakened Humayun's position. Ultimately, Humayun's lack of strong alliances and internal divisions further contributed to his defeat.