Since 1996 Viswanathan has focused on composing devotional music and serving as a judge in Malayalam TV reality shows.He has collaborated with Illaiyaraja in'Mella Thiranthathu Kathathavu','Senthamizh Paatu Vishwa Thulsi' and'Senthamizh Selvan' starring Prashanth.
Viswanathan has focused on composing devotional music and serving as a judge in Malayalam TV reality shows.He has collaborated with Illaiyaraja in'Mella Thiranthathu Kathathavu','Senthamizh Paatu Vishwa Thulsi' and'Senthamizh Selvan' starring Prashanth. This was since 1996.