The correct option is C Provided by the 42nd Constitution amendment Act October, 1976
The Fundamental Duties of citizens were added to the Constitution by the
42nd Amendment in 1976, upon the recommendations of the Swaran Singh
Committee that was constituted by the Government of India earlier that
year to study the question of amending the Constitution. The
recommendations were passed in 1976 and came into effect on 3rd January,
1977. Originally ten in number, the Fundamental Duties were increased
to eleven by the 86th Amendment in 2002.