The term ‘OM’ has been used and chanted since very ancient time in Indian society. While worshiping and praying we very often chant ‘OM’. It is used before most of the mantras and Sanskrit hymns. Almost all Vedic prayers begin with ‘OM’. The term is universally used before the uttering of the name of all Gods and deities.  Many religious, pious and Sadhu people use it as a means of greeting each other. We chant the term ‘OM’ during all auspicious occasions. Even we print it in all our auspicious cards like marriage and birth.

The term ‘OM’ phonetically consists of three words i.e. A.U.M. It is supposed to represent three main Gods of Hindu religion i.e. Brahma, Vishnu and Shiva. Some opine that these three terms represent three Vedas i.e. Rig. Sam and Yajur. According to religious thinkers, ‘OM’ has more than hundred meanings. One of the      meanings of ‘OM’ is a sound i.e. ‘Onkar’ by which the Lord or   Almighty is praised. Onkar sound is    believed to be the first sound of the earth. The Jugal murti or Joint posture of Lord Radha and Krishna is            represented within this ‘OM’. Another  meaning of the term ‘OM’ is ‘Pranava’. The term is very pious and popular among the Hindus.

According to Hindu religious thinkers and scriptures, the chanting of ‘OM’ in proper pronunciation and right              resounding sound brings peace of mind and has very profound effect on both body and spirit of the person who chant it and also on the surroundings. Chanting of the term has a healing effect on our nerves. The term is universally used before the uttering of the names of all Gods and deities. Another name of the term ‘OM’ is Pranava.  People who meditate chant the term ‘OM’. The term ‘OM’ itself is a mantra. The term is frequently used by the yogic experts. Onkar sound is believed to be the first sound on the earth.