(b) of section 46a-89 , not later than ninety days after the date of receipt of the notice of election. If the Attorney General or a commission legal counsel believes that injunctive relief, punitive damages or a civil penalty would be appropriate, such relief, damages or penalty may also be sought. The jurisdiction of the Superior Court in an action brought under this subdivision shall be limited to such claims, counterclaims, defenses or the like that could be presented at an administrative hearing before the commission, had the complaint remained with the commission for disposition. A complainant may intervene as a matter of right in a civil action without permission of the court or the parties. If the Attorney General or commission legal counsel, as the case may be, determines that the interests of the state will not be adversely affected, the complainant or attorney for the complainant shall present all or part of the case in support of the complaint. If the Attorney General or a commission legal counsel determines that a material mistake of law or fact has been made in the finding of reasonable cause, the Attorney General or a commission legal counsel may decline to bring a civil action and shall remand the file to the investigator for further action. The investigator shall complete any such action not later than ninety days after receipt of such file.