Industrialist Rama Prasad Goenka, better known as R P Goenka, died early this morning at his residence in Kolkata after a brief illness.Industrialist R.P.Goenka architect of the RPG Enterprises group spanning varied interests from power to music, passed away at his residence this morning.The 83-year-old industrialist was suffering from old-age related illnesses and breathed his last at 6am, family sources said. RP Goenka is survived by his wife Sushila and sons Harsh Vardhan and Sanjiv.