A petition for post-conviction relief is cognizable if based upon any of the following grounds:
(a) Substantial denial in the conviction proceedings of defendant's rights under the Constitution of the United States or the Constitution or laws of the State of New Jersey;
(b) Lack of jurisdiction of the court to impose the judgment rendered upon defendant's conviction;
(c) Imposition of sentence in excess of or otherwise not in accordance with the sentence authorized by law.
(d) Any ground heretofore available as a basis for collateral attack upon a conviction by habeas corpus or any other common-law or statutory remedy.
