खालीलपैकी कोणत्या खात्याचे प्रमुख म्हणून डॉ. बी. आर. आंबेडकर यांची व्हाईसरॉय च्या कार्यकारी मंडळावर इ.स. 1942 मध्ये नियुक्ती झाली होती ?

The correct answer is Option B (Labour).

Key Points:
• Dr. B.R. Ambedkar in the Viceroy's Executive Council (1942–1946):
• On 20 July 1942, Dr. B.R. Ambedkar was inducted into the Viceroy's Executive Council (under Lord Linlithgow and later Lord Wavell) as the Member in charge of the Labour Portfolio (Labour Minister).
• Revolutionary Labour Reforms Introduced by Dr. Ambedkar:
• 1. Reduced working hours from 12 hours/day to 8 hours/day (1942).
• 2. Enacted the Indian Trade Unions (Amendment) Bill and set up the Tripartite National Labour Conference.
• 3. Introduced Paid Leave, Minimum Wages Act, Employees' State Insurance (ESI), and Provident Fund (PF) frameworks.
• 4. Enacted the Mines Maternity Benefit Act and equal pay for equal work principles.
• He also simultaneously oversaw the Department of Irrigation and Power, laying the blueprint for the Damodar Valley Corporation (DVC) and the Central Waterways, Irrigation and Navigation Commission (CWINC).
• Key Takeaway: Dr. B.R. Ambedkar was appointed as the Labour Member in the Viceroy's Executive Council in July 1942, reducing working hours to 8 hours.