The last Sub-Section (k) on the education of children was added in 2002 as a part of the Fundamental Duties. The same Amendment also introduced _________ in the Constitution.

Article 21A

The correct answer is Option 2 - Article 21A

The Constitutional Amendment in India that mandates the state to provide free and compulsory education to all children between the ages of six and fourteen years is the 86th Constitutional Amendment Act of 2002. This amendment inserted Article 21-A into the Indian Constitution, which guarantees the right to education as a fundamental right. It came into effect on April 1, 2010.