Which of the below mentioned idea is not part of the Preamble of Indian constitution?

Communist

PREAMBLE WE, THE PEOPLE OF INDIA, having solemnly resolved to constitute India into a ‘ [ SOVEREIGN SOCIALIST SECULAR DEMOCRATIC REPUBLIC] and to secure to all its citizen:

JUSTICE, social, economic and political;

LIBERTY of thought, expression, belief, faith and worship;

EQUALITY of status and opportunity;

And to promote among them all

FRATERNITY assuring the dignity of the individual and the {unity and integrity of the Nation}’

IN OUR CONSTITUENT ASSEMBLY this twenty-sixth day of November, 1949, do HEREBY ADOPT, ENACT

AND GIVE TO OURSELVES THIS CONSTITUTION.