The word 'secular' was added to the preamble of the Constitution of India in the _____________ Amendment Act.

Correct option is B

The correct answer is (B) Forty-Second.

The word "secular" was added to the Preamble of the Constitution of India in the 42nd Amendment Act of 1976. 

Explanation

• The 42nd Amendment Act also added the words "socialist" and "integrity" to the Preamble. 
• The amendment changed the description of India from "sovereign, democratic republic" to "sovereign, socialist, secular, democratic republic". 
• The amendment was passed by Parliament, which has the authority to amend the Constitution. 
• The amendment was controversial because it was passed during the Emergency era, when there was widespread abuse of human rights and a clampdown on civil liberties. 

"Secular"

• "Secular" means that the government and religious groups are separated, and that the relationship between them is determined by law and the constitution. 
• A secular state protects all religions equally, does not have a state religion, and is not based on any religion.