The _______________ of the Indian Constitution defines the Fundamental Duties of Indian Citizens.

Correct option is A

The correct answer is (a) Article 51A.
 Article 51A of the Indian Constitution defines the Fundamental Duties of Indian Citizens.
 These duties were added to the Constitution by the 42nd Amendment Act, 1976, on the recommendation of the Swaran Singh Committee.
 Initially, there were only 10 fundamental duties in the constitution.
 The 86th constitutional amendment act 2002 added one more fundamental duty to the constitution.
 There are 11 Fundamental Duties listed under Article 51A, which aim to promote a sense of discipline, patriotism, and social responsibility among citizens.
Facts to remember:
 Article 21A of the Indian Constitution guarantees the right to education as a fundamental right for children between the ages of 6 and 14 years.
 This provision, also known as the Right to Education (RTE) Act, was inserted by the 86th Amendment Act, 2002, and came into effect in 2010.