Solution

The 42nd Amendment Act, often called the "Mini-Constitution," introduced the terms "Socialist," "Secular," and "Integrity" into the Preamble of the Indian Constitution, reflecting a commitment to these ideals. The 44th Amendment Act removed the Right to Property from the list of Fundamental Rights, demoting it to a legal right to prevent its abuse and ease land reforms. The 61st Amendment Act lowered the voting age to 18, recognizing the maturity and potential of India's youth in shaping democracy. Lastly, the 86th Amendment Act made education a fundamental right for children aged 6 to 14, emphasizing the importance of education in national development.