Read the following statements :
a. The National 'Sainple Survey Office (NSSO)is responsible for conduct of large scale sample surveys.
b. The Twenty Point Programme (TPP) initiated in 1975 was restructured in the year 1982, 1986 and 2006.
c. The NSSO functions with autonomy under overall guidance and supervision of National Statistical Commission (NSC).
The correct answer is :

A

a and c only are correct.

B

a, b and c are correct.

C

a and b only are correct.

D

b and c only are correct.