Actions to recover civil fines and other remedies provided for under Section 25-9-175 may be instituted in the Circuit Court for the First Judicial District of Hinds County or in the circuit court of the public employee’s residence. In such actions, the public employee shall prove by a preponderance of the evidence that, but for his providing information or testimony to a state investigative body prior to occurrence of the dismissal or any adverse action, his dismissal or any adverse action taken against him would not have occurred. Remedies provided for herein shall be supplemental to any other remedies, judicial or administrative, provided for under law. Any administrative remedies provided for state-service employees under Sections 25-9-127 through 25-9-131, Mississippi Code of 1972, or any remedies under a grievance or appeal process of the employing governmental entity relating to suspension or termination of employment or adverse personnel action, shall not be exhausted or diminished as a result of any action taken by the employee under Sections 25-9-175 and this section, and the employee shall be required to exhaust such remedies prior to instituting an action authorized under Sections 25-9-175 and this section.