Which of the following are included in the Constitution of India as the directive principles of state policy ?
1. Separation of judiciary from executive.
2. Participation of workers in management of industry.
3. Equal justice and free legal aid.
Select the correct answer using the code given below

A. 1 and 2 only

B. 2 and 3 only

C. 1 and 3 only

D. 1, 2 and 3

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