What is constitution and describe the …

1) Single Citizenship : The Constitution of India recognises only single citizenship. In the United States, there is provision of dual citizenship. In India, we are citizens of India only, not of the respective states to which we belong. This provision would help in promoting unity and integrity of the nation.
2) An Independent Judiciary : The judiciary occupies an important place in our Constitution and it is also made independent of the legislature and the executive. The Supreme Court of India stands at the apex of single integrated judicial system. It acts as protector of fundamental rights of Indian citizens and guardian of the Constitution.
3) Fundamental Duties : A new part IV (A) after the Directive Principles of State Policy was incorporated in the constitution by the 42nd Amendment, 1976 for fundaments duties.
4) Fundamental Rights : "A state is known by the rights it maintains", remarked Prof. H.J. Laski. The constitution of India affirms the basic principle that every individual is entitled to enjoy certain basic rights and part III of the Constitution deals with those rights which are known as fundamental rights. Originally there were seven categories of rights, but now they are six in number. They are (i) Right to equality, (ii) Right to freedom, (iii) Right against exploitation, (iv) Right to freedom of Religion, v) Cultural and Educational rights and vi) Right to constitutional remedies.