The 42nd Amendment Act, 1976 of the Indian Constitution has added which of the following in the preamble to the constitution ?

Secular

The correct answer is Option 1 - Secular

The 42nd Amendment Act, 1976 of the Indian Constitution added three new words to the Preamble: "Socialist," "Secular," and "Integrity,".

The exact text of the 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 citizens:

JUSTICE, social, economic and political;

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

EQUALITY of status and of 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.