The City Council may make investigations into the affairs of the City and the conduct of any City department, office or agency, and for this purpose may subpoena witnesses, administer oaths, take testimony, and require the production of evidence.  Any person who fails or refuses to obey a lawful order issued in the exercise of these powers by the Council shall be guilty of a misdemeanor and be punishable by a fine of not more than One Hundred Dollars ($100.00), or by imprisonment for not more than ninety (90) days, or both.  The punitive powers herein stated shall not be exclusive and shall not prejudice the right to remove officers or discharge employees, and the Council shall have the power in the name of the City to institute injunctive proceedings, both to restrain and to enforce performance and observance of the law and ordinances.