The ICJ shall be ___ of UNO

1. The inter state negotiation forum
2. The Judicial cum administrative organ
3. The principal judicial organ
4. None

The ICJ is the principal judicial organ of UNO .

International Court of Justice

The International Court of Justice (ICJ) is the main judicial arm of the United Nations (UN). It settles legal disputes between states in accordance with international law and delivers advisory opinions on legal issues.