The Directive Principles of State Policy are enumerated in Part IV of the constitution. They are instructions or directives from the constitution to the state and the government. It is the duty of the government to implement them.Originally there were 20 Directive Principles. Three more were added by the 42nd Amendment Act, 1976. Thus, in total, there are now 23 Directive Principles.
Some of the important Directive Principles are:

1. There should not be concentration of wealth and means of production to the detriment of common man;
2. There should be equal pay for equal work for both men and women;
3. Workers should be paid adequate wage;
4. Weaker sections of the people, Scheduled Caste and Scheduled Tribe people should be given special care;
5. The state should promote respect for international law and international peace.
6. In general, the Directive Principles aim at building a Welfare State.