There are 11 Fundamental Duties in the Constitution of India under Article 51A, Part IV-A.

These were originally 10 when they were added by the 42nd Constitutional Amendment Act, 1976, and later increased to 11 by the 86th Constitutional Amendment Act, 2002, which introduced the duty of parents/guardians to provide educational opportunities to children between 6 and 14 years of age.

Information gathered from public forums or data available on the internet and portrayed here.