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.
The third Sangam was held at the present Madurai in Tamil Nadu. The third sangam had 449 poets and the important ones among them include Nakkirar, Iraiyanar, Kapilar, Paranar, Sattanar, Auvikyar etc.