Which part of the constitution relates with the directive principles of the state policy?

Answer: Option B

Part-IV Article-36 to 51 of the constitution is related to the Directive Principles of State Policy. According to Dr. B.R. Ambedkar these are noble features of constitution and instrument of instructions to the Government. Part-I of constitution is related to Union and its Territory Part-II with Citizenship and Part-III with Fundamental Rights.