Correct option is A
Chandragupta I was assumed the exalted title of “Maharajadhiraja”, meaning "King of Kings".
Chandragupta I was the founder of the Gupta Empire’s greatness (c. 320–335 CE).
He established Pataliputra as the capital of the Gupta dynasty.
His reign laid the foundation for the golden age of classical Indian culture that flourished under his successors.
His son Samudragupta expanded the empire further and is considered the "Napoleon of India".