Under the Constitution of India, which one of the following is not a fundamental duty ?

1. The question asks to identify which of the given options is not a Fundamental Duty under the Constitution of India. 2. Option (A) To vote in public elections: While voting is a crucial democratic right and civic responsibility, it is not explicitly listed as a Fundamental Duty under Article 51A of the Constitution. 3. Option (B) To develop the scientific temper, humanism and the spirit of inquiry and reform: This is explicitly listed as a Fundamental Duty under Article 51A(h). 4. Option (C) To safeguard public property and to abjure violence: This is explicitly listed as a Fundamental Duty under Article 51A(i). 5. Option (D) To abide by the Constitution and respect its ideals and institutions, the National Flag and the National Anthem: This is explicitly listed as the first Fundamental Duty under Article 51A(a). Therefore, voting in public elections is not a Fundamental Duty.