Gurdwara Omkareshwar Sahib is a sikh holy Shrine situated at Omkareshwar in Khandwa District of Madhya Pradesh state of India. The first Guru of Sikhism Guru Nanak Dev ji visited this place during there south travels.

Omkareshwar Visited by Guru Nanak Dev during his Udasis to south. Guru Nanak's visit to that temple; and there was discourse between Guru Nanak and the Pundit(Priest) of Omkar Temple and the bani is called Dakhni Oankar. The study of the first stanza of bani clearly indicates that Guru Nanak is talking about the philosophy of the Pundit of Omkar Temple. In rest of the Bani (from stanza # 2 to 54 including Rahaoo - Pause) Guru Nanak is clearing the confusion of the Pundit about nature and attributes of God.

Guru Nanak explains to the Pundit that there is no Trinity (Brahma, Vishnu, and Shiva) of God to which the word, 'Oankar' or 'Omkar', is implied. Guru Nanak further explains to the Pundit that God is 'One and Only'; does not come into anthropomorphic form (Ajuni); and no specific/descriptive (ikrqm) name can be coined for God since God is an 'Eternal Entity' and ineffable.

Guru Nanak is talking about the ancient concept being taught by the Pundit: The Idol of Shiva or Linga of Shiva is considered as 'EAMkwir' (Omkar) by the Pundit of Omkar Temple. And the Pundit also equates 'Omkar' to OM, which represent Trinity of God. Therefore, it is not the philosophy of Guru Nanak

So Omkar Bani was composed by Guru Nanak to explain to the Pundit of Omkar Temple that God cannot be represented as OMKAR since it originated from OM � The Trinity: Brahma, Vishnu, Shiva.

Omkareshwar is a Hindu temple, is on an island called Mandhata or Shivapuri in the Narmada river. It is one of the 12 revered Jyotirlinga Shrines of Shiva. It is about 12 miles (20 km) from Mortakka in Madhya Pradesh. The shape of the island is said to be like the Hindu Om symbol. There are two temples here, one to Omkareshwar (whose name means "OM-maker-lord") and one to Amareshwar (whose name means "immortal lord" or "lord of the immortals").