CHAPTER III
FUNDAMENTAL RIGHTS
Article 21
i. The right to counsel and the rights of counsel shall be inviolable. There shall be no interference with the lawyer-client relationship. In all trials, hearings, interrogatories and other proceedings where a person is accused of a criminal offense, the accused shall have the right to counsel of his choice ; and where the accused is unable to secure such representation, the Republic shall make available legal aid services to ensure the protection of his rights.
Legal Aid
Rights during investigation - legal assistance
Rights during trial - free communication with counsel
Rights during trial - counsel of accused's choosing
EDIT.