The correct option is B All of the above
The Preamble of our Constitution is the guiding light for ensuring the spread and reach of the political, economic and social democracy in the country. It gives the idea about the following : (1) the source of the constitution, (2) nature of Indian state (3) a statement of its objectives and (4) the date of its adoption. The key words of the preamble are Sovereign, Socialist, Secular, Democratic, Republic, Justice, Liberty, Equality, Fraternity.