even where non-compoundable offences are involved. 18. An argument was advanced on behalf of the Union that this Court should not exercise its powers under Article 142 of the Constitution of India in order to quash the proceedings for non- compoundable offences. This Court observed thus: “25. It was urged that even if no steps have been taken by CBI since the charge-sheet was filed in 1998, the same would not be a ground for quashing the criminal proceedings once the charge-sheet had been filed. He submitted that in view of the decision of this Court in Supreme Court Bar Assn. v. Union of India [(1998) 4 SCC 409] this Court would possibly not be justified in giving directions in the instant case even under Article 142 of the Constitution, since the Constitution 12Bench had held that in exercise of its plenary powers under Article 142, this Court could not ignore any substantive statutory provision dealing with the subject. It is a residuary power, supplementary and complementary to