Prabhavati Gupta was the daughter of the Gupta Emperor Chandragupta II and was married into the Vakataka dynasty. She became the wife of Vakataka king Rudrasena II. After his death, she played a significant role as a regent for her minor sons and effectively governed the Vakataka kingdom for some time.
Her marriage also symbolized a strategic alliance between the Guptas and the Vakatakas, enhancing political and cultural ties between the two powerful dynasties. Prabhavati Gupta's copperplate inscriptions provide valuable insights into administrative and social conditions of the time.
Option (D) is the correct description of her role. The other options incorrectly associate her with unrelated rulers or roles from different dynasties.