Define procedural law and state its nature in three points.

Procedural law (adjective law; karyabidhi kanoon) — the law of how: the rules governing the enforcement of rights and the punishment of wrongs — the courts' machinery, jurisdiction, parties, pleadings, evidence, judgment, execution. The classical metaphor: substantive law declares the rights; procedural law provides the remedy's road — "the handmaid, not the mistress, of justice" (the doctrine's careful servant-metaphor) — though the modern view corrects the metaphor's condescension: procedure is where rights live or die ("the difference between winning a right and holding a remedy"). Nature: Public-law character: the state's forum-and-process rules; Instrumental: designed to serve the substantive ends; Dynamic: reform's most frequent object — the delay-and-backlog cures; Rights-bearing itself: the fair-trial guarantees — Article 20 of the Constitution — as procedural rights; Adversarial in inheritance, judge-active in practice: Nepal took the common-law adversarial form (party-driven pleadings and proof) inside a codified frame — a hybrid of the two great procedural families (the adversarial model of the common law and the inquisitorial, dossier-centred model of the continental civil law). Importance: Justice's delivery-system — the best substantive law is worthless without the road; Legitimacy's face — the visible trial is the public's justice; Efficiency and access — the delay-and-cost pathologies as denials of justice ("justice delayed is justice denied"); The rule-of-law discipline — the process bounds the judge's and the state's power.