Rig Veda Upakarma
Rig-Veda Upakarma is a Vedic ritual still practiced by Brahmins, by which they change their Upanayana thread accompanied by Shrauta rituals. In Tamil Nadu, the Upakarma is known as Avani Avittam and the next day of Avani Avittam is known as Gayatri Japam.
