The seers or Ṛṣis in the Bharat-Indian mythology are described as of variant types. They are Mantradraṣṭā (Seer), Purohita (Royal priest), Kavi (Learned man), Guru (Teacher) and Muni [doer of penance]. The Ṛṣis are classified in to different categories also. They are Brahmaṛṣi, Devarṣi, Mahaṛṣi, Paramarṣi, Kāṇḍarṣi, Śrutarṣi, and Rājaṛṣi. Vedic literature, Purāṇic literature, Epic literature and Classical literature treat these Ṛṣis with different aspects. Their genealogy found in such works also has some differences. The Gōtras of these Ṛṣis are also famous. There are different Ṛṣikulas in Bharat-Indian mythology.