Which one of the following Acts of British India gave further emphasis to the Viceroy's authority over the Executive Council by department or departmental method instead of collective action?

Which one of the following Acts of British India gave further emphasis

1.	Which one of the following Acts of British India gave further emphasis to the Viceroy's authority over the Executive Council by department or departmental method instead of collective action?
A.	Indian Council Act, 1861
B.	Government of India Act, 1858
C.	Indian Council Act, 1892
D.	Indian council act 1909
Answer» B. Government of India Act, 1858