(a) The Parole Board, whenever it is of the opinion that the best interests of the state and of the inmate will be served, and subject to the limitations provided in this section, shall release any inmate on parole for terms and upon conditions provided by this article.
(b) Any inmate of a state correctional institution is eligible for parole if he or she:
(1) (A) Has served the minimum term of his or her indeterminate sentence or has served one fourth of his or her definite term sentence, as the case may be; or