Question : Allahabad Pillar Inscription gives a detailed account of the reign of which of the following?

Answer :
Samudra gupta
Notes:
Samudragupta court poet and minister Harisena composed the Allahabad pillar Inscription or Prayag Prasasti. The Pillar was an Asokan Pillar erected by Asoka six century before him.
This Inscription is a eulogy of Samudragupta and mentions about the conquests of Samudragupta and boundaries of the Gupta Empire. As per this inscription, Samudragupta defeated 9 kings in North, 12 Kings in South, reduced all the Atavika states to vassalage.