With reference to the All India Services, consider the following statements:
The All India Services are regulated exclusively by the Central Government.
Officers of the All India Services are appointed by the Union Public Service Commission.
Disciplinary action against All India Services officers can only be taken by the Central Government.
The salaries and pensions of All India Services officers are paid by the Central Government.
Which of the statements given above are correct?
A1 and 2 only
B2 and 3 only
C2 and 4 only
D1 and 3 only
