One of the most sought after and highly regarded singer of the Indian cinema is S P Balasubramaniam. Today, he is celebrating his birthday. Known for some of the most unforgettable melodies like idhu oru pon maalai…, kadhalin deepam onru.. and others, Balu made his mark with some of the latest chartbusters. He is still the singer who croons for the first song of a Rajini film. Kerals.com wishes this legendary singer a very happy birthday.