The correct answer is Samudragupta.

• Chandragupta I was succeeded by his son Samudragupta.

•  Samudragupta (335AD-380 AD):
  • Samudragupta was the greatest king of the Gupta dynasty.
  • The most detailed and authentic record of his reign is preserved in the Prayaga Prasasti/Allahabad pillar inscription, composed by his court poet Harisena.
  • Samudragupta’s military campaigns justify the description of him as the Napoleon of India by V.A. Smith.
  • Titles: Kaviraja, Param Bhagavat, Ashvamedha- parikrama, Vikram Sarva-rajochchhetta only Gupta ruler had the title of Sarva-raj-ochchhetta.
  • Allahabad pillar inscriptions mention the title Dharma Prachar Bandhu, i.e. he was the upholder of Brahmanical religion.

•  Chandragupta I (319AD-334 AD):
  • He was the first Gupta ruler to assume the title of Maharajadhiraja.
  • He strengthened his kingdom by the matrimonial alliance with the powerful family of Lichchhavis, who were the rulers of Mithila.
  • He got married to the Lichchhavi princess Kumaradevi.
  • He started the Gupta Era in 319AD-320 AD.
  • He established his authority over Magadha, Saketa and Prayaga.
• Skandagupta was the last ruler of the Gupta Dynasty.
  • Skanda Gupta also took the title Vikramaditya.
  • Chandragupta was the first Gupta ruler of the Gupta Dynasty.
  • He took the title of Maharajadhiraja.
  • Bhitari pillar depicts the information about Skandagupta of the Gupta Empire.