Former President General Pervez Musharraf (Retd) has started consultations with legal wizards to challenge in the SC the establishment of special court to initiate high treason trial against him. Sources said eminent lawyers Sharifuddin Pirzada and Ibrahim Satti met Musharraf at his farmhouse in Chak Shahzad in this regard. Reports say, they would submit their power of attorney in the apex court to proceed the case.