Which of the following is/are among the fundamental duties of citizens in the Indian Constitution ?
(i) To uphold and protect the Sovereignty, Unity and Integrity of India.
(ii) To protect the weaker sections from social injustice.
(iii) To value and preserve the rich heritage of our composite culture.
(iv) To promote harmony and the spirit of common brotherhood amongst all the people of India.

Select the correct answer from the given code: