Step 1: Understanding Lex Arbitri:
Lex Arbitri is the law that governs the arbitration process, particularly the jurisdiction and procedural rules applied to an arbitration. It is not specifically about any particular arbitral tribunal or geographical jurisdiction, but rather about the rules that govern the arbitration itself.
Step 2: Detailed Explanation of the Options:
- (A) Arbitral tribunal sitting in India can apply the buy the Singapore: This option is incorrect and does not accurately describe Lex Arbitri. The term refers to the law governing arbitration, not the specific tribunals or countries.
- (B) Just Law: This option is incorrect because Lex Arbitri is not defined as "Just Law." The term "just law" is too vague and unrelated to the procedural rules of arbitration.
- (C) Arbitrary Law: This option is also incorrect. Lex Arbitri is not about "arbitrary law," but rather the set of rules that govern arbitration procedures.
- (D) None of these: This is the correct answer. None of the provided options accurately describe the meaning of Lex Arbitri. Lex Arbitri refers to the law that governs arbitration proceedings.
Step 3: Final Conclusion:
The correct answer is (D) None of these, as Lex Arbitri refers to the law governing arbitration, not the other options presented.