Who of the following among the Nine Gems of Chandragupta was associated with Astrology?

Who among the following is not associated with medicine in ancient India?

Who among the following succeeded Samudragupta as the next ruler of the Gupta dynasty?

Who among the following composed the 'Prayag Prashasti' of Samudragupta ?

Who among the following was the founder of the 'Gupta Dynasty' in ancient India?

The Allahabad Pillar inscription is associated with which one of the following?