The correct option is C
Directive Principles of State Policy
Explanation:
Articles 36-51 under Part-IV of Indian Constitution deal with Directive Principles of State Policy (DPSP). They are borrowed from the constitution of Ireland which had copied it from the Spanish Constitution.
They are an ‘instrument of instructions’ which are enumerated in Government of India Act, 1935.They seek to establish economic and social democracy in the country. DPSPs are ideals which are not legally enforceable by the courts for their violation.