Bala Tripura Sundari Devi is the second day Goddess during Durga Navratri celebrations in Vijayawada and most of the other temples in South India.
BalaTripura Sundari is a 16 years old virgin girl form of Mother Goddess.
Although Tripura Sundari is worshipped as the mother of the universe (Jagadamba) involved in Shri Vidya Shakti, the Goddess is also worshipped as Bala Tripura Sundari Devi.
In some divine texts, she is referred as one of the powers or the manifestations of Lalita Tripura Sundari devi.
In Bala Tripurasundari Moolamantram, she is decribed as the divine combination of wisdom of Goddess Saraswati, magnetic energy of Goddess Maha Kali and the prosperity of Lalitha Tripura Sundari.