பல்லவர்கள் மூதாதையர் மரபு/ Pallavargal Moothaathayar Marabu
జ్ఞానోదయ రహస్యం (The Mystique of Enlightenment)
‘OM’ and ‘Naad’
“Key” to Ishihara 38 Plates-Treatment of Colour Blindness, Colour Vision