Dr. B. R. Ambedkar introduced the Mines Maternity Benefit (Amendment) Bill in the Central Legislative Assembly.

On 20 July 1942, B. R. Ambedkar joined the Viceroy’s Executive Council as its Labour Member.

On 27 November 1942, B. R. Ambedkar introduced the 8-hour workday for workers in India during the 7th session of the Indian Labour Conference in New Delhi.

On 29 July 1943, B. R. Ambedkar introduced the bill to amend the Mines Maternity Benefit Act, 1941 in the Central Legislative Assembly to remove ambiguities in the law and strengthen maternity protections for women working in mines.
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