I was curious to know if Sher Shah Suri was a Mughal emperor or not, because he also ruled the India around the Mughal time.
No, Sher Shah Suri was not a Mughal emperor. He was the founder of the Suri Empire, which briefly interrupted Mughal rule in India. Sher Shah was originally a talented Afghan commander serving under the Mughals, but he rebelled against the Mughal emperor Humayun and established his own rule after defeating Humayun at the Battle of Chausa in 1539 and the Battle of Kannauj in 1540.
Sher Shah ruled independently from the Mughals, and his administration and military campaigns laid the foundation for future governance in India, even influencing the Mughals when they regained power. His reign, though short, was marked by efficient governance, infrastructure development, and major reforms in taxation and currency.