Correct option is C
The correct answer is (c) Exercise adult franchise.
Fundamental Duties: These duties are enshrined in Part IVA of the Constitution of India under Article 51A.
The Fundamental Duties were added by the 42nd Amendment Act in 1976, based on the recommendations of the Swaran Singh Committee.
Safeguard public property and to abjure violence: This is listed as a Fundamental Duty under Article 51A (i).
Cherish and follow the noble ideals that inspired the national struggle for freedom: This is listed as a Fundamental Duty under Article 51A (b).
Uphold and protect the sovereignty, unity and integrity of India: This is listed as a Fundamental Duty under Article 51A (c).
Exercise adult franchise: While voting is a fundamental right, it is not listed as a Fundamental Duty in the Constitution of India.