Section 89 lists four ADR mechanisms. Negotiation, while a dispute resolution method, is not formally recognized under CPC because it's an informal process without institutional structure. The CPC only recognizes ADR methods with defined procedural frameworks.

1. 1 Pick up CPC.
2. 2 Go to Section 89 — Settlement of disputes outside court.
3. 3 Read the list: (a) Arbitration, (b) Conciliation, (c) Judicial settlement/Lok Adalat, (d) Mediation.
4. 4 'Negotiation' is NOT listed → answer is D.

The text reads: Section 89 CPC recognizes: Arbitration, Conciliation, Judicial settlement (Lok Adalat), and Mediation. Negotiation is not listed.