Who among the following composed 'Prayaga Prashasti' in Sanskrit?

Harishena

The correct answer is Option (4) → Harishena

A notable example of Prashasti is the Prayaga Prashasti, also known as the Allahabad Pillar Inscription, written in Sanskrit by Harishena, the court poet of Samudragupta. Samudragupta is considered one of the most powerful Gupta rulers of the fourth century CE.