Which of the following is/ are among the fundamental Duties of citizens laid down in the Indian Constitution?

 Which of the following is/ are among the fundamental Duties of citizens laid down in the Indian Constitution?

1. To preserve the rich heritage of our composite culture
2. To protect the weaker sections from social injustice
3. To develop the scientific temper and spirit of inquiry
4. To strive towards excellence in all spheres of individual and collective activity.
Select the correct answer using the codes given below:
a) 1 and 2 only
b) 2 only
c) 1, 3 and 4 only
d) 1, 2, 3 and 4

Answer: C