Correct Option: B

Chandragupta I was the first ruler of Gupta dynasty to assume the title of 'Maharajadhiraja' Chandragupta I assumed the high-sounding title of Maharajadhiraja (Great king of Kings). Conceding the importance of his wife, Chandragupta issued gold coins in the joint names of himself, his queent Kumaradevi and Lichchhavi nation. Emboldened by his success, he established a new era.