Which one of the following Acts of British India gave further emphasis to the Viceroy's authority over his executive council instead of collective action?

• A. इंडिया कौंसिल एक्ट, 1861
• B. गवर्नमेंट ऑफ इंडिया एक्ट, 1858
• C. इंडियान कौंसिल एक्ट, 1892
• D. इंडियान कौंसिल एक्ट, 1909