The Agasthiar Siddha Guru Parampara Lineage. Siddha Sathguru Venkataraman. Agasthiar.Org.
Ohm.
Sri Bala Sarasvathi page 2.
Sri Bala Sarasvati page 3.
Sri Bala Saraswathi page 4.
Sri Bala Sarasvathi "mahimai" (Tamil).