Which one of the following is true in case of 'Settlement of conflicts"?
1. Investigation
2. Mediation
3. Conciliation
4. Voluntary arbitration
5. Compulsory Arbitration
Which of the statements given above is/are correct?
1
1, 3 and 4
2
2, 3 and 4
3
3, 4 and 5
4
All of these