Which of the following DPSP comes into the category of ‘liberal principles’?

1. The State shall endeavour to provide early childhood care and education for all children until they complete the age of six years.

2. The State shall promote with special care the educational and economic interests of the weaker sections.

3. The State shall secure that the operation of the legal system promotes justice, on a basis of equal opportunity.

4. The State shall take steps to organise village panchayats.

Select the correct answer using the codes given below: