The Fundamental Duties of citizens were added to the Constitution byA40thB44thC42ndD50thAnswer: C. 42nd Read Explanation: S.No Importance of Fundamental Duties 1. They remind Indian Citizens of their duty towards their society, fellow citizens and the nation 2. They warn citizens against anti-national and anti-social activities 3. They inspire citizens & promote a sense of discipline and commitment among them 4. They help the courts in examining and determining the constitutional validity of a law Read more in App