I will provide the official contact number of popular singer Dr. SP Balasubramanyam.
Sripathi Panditaradhyula Balasubrahmanyam (born 4 June 1946) mostly referred to as S. P. B. or Balu is an Indian playback singer, music director, actor, dubbing artist and film producer who works predominantly in Telugu, Tamil, Kannada, Hindi and Malayalam. He has recorded over 40000 songs in 16 Indian languages.