Which of the following may be considered as a correct utility of Directive Principle of State Policy under Part IV of Constitution of India?
1. They enable the opposition to exercise influence over the operations of the government.
2. They act as a shield against any arbitrary action by the state.
3. They facilitate stability in domestic policies in spite of the changes of the party in power.
4. They can serve as a crucial test for the welfare policies of the government.
Select the correct answer using the codes given below: