- Statement 'a' is correct: The 42nd Amendment Act of 1976 added 10 Fundamental Duties based on the recommendations of the Swaran Singh Committee. The 86th Amendment Act of 2002 added the 11th Fundamental Duty concerning the education of children. - Statement 'b' is correct: The Swaran Singh Committee was constituted in 1976 to make recommendations on constitutional amendments, and it recommended the inclusion of a chapter on Fundamental Duties, feeling their necessity during the period of internal emergency (1975-1977). - Statement 'c' is correct: Fundamental Duties are enumerated in Article 51A under Part IV-A of the Indian Constitution. - Statement 'd' is correct: Fundamental Duties are often broadly categorized into Moral Duties (e.g., cherishing noble ideals of the freedom struggle) and Civic Duties (e.g., respecting the Constitution, National Flag, and National Anthem) for ease of understanding their nature.