A Vayu Purana declared that the Chakravartins are born in each age as the essence of Vishnu.
B Chakravikrama type of coins of Chandragupta II. The chakra on the coins has been interpreted as the Chakrapurusha of Vishnu who is bestowing on Chandragupta II the three symbols of royal power– authority, energy and counsel.
C Ahirabudhnya Samhita, an important Pancharatra text of the Gupta period says that the one who adores the Chakrapurusha becomes a sovereign.
D All the above