According to Brahmāṇḍapurāṇa (Brahmandapurana),  Ābhūtaraya (Abhutaraya) is one of the gaṇa(s) (gana; sects) of gods in Raivata Manvantara. Aidhana is a god belonging to this Ābhūtaraya gaṇa.

Brahmāṇḍapurāṇa (Maharṣi)(1.36.55)