THE interrogation of state Chief Secretary Dinesh Afzalpurkar by the CBI, coming as it does after a series of extortion and murder charges hounding the Shiv Sena-BJP combine, has not raised very many eyebrows. Indeed, Afzalpurkar getting in and out of his official car outside the local CBI headquarters, Tanna House, and calling it a 'routine' matter, made a good news picture but scarcely attracted the attention his appointment received a few months ago.