Option 2: 42nd Amendment -> The Fundamental Duties were incorporated into the Constitution through the 42nd Amendment Act, 1976, which added Part IVA (Article 51A) to the Constitution. This amendment, enacted during the Emergency period, was based on the recommendations of the Swaran Singh Committee and originally listed 10 fundamental duties for citizens (an 11th duty was later added by the 86th Amendment in 2002 relating to education of children). -> correct