You are asking why US women are not fighting to get work in Sri Lanka / India? I think India has laws about allowing foreigners to take work there... ironically. Male or female alike cannot just decide to move to India and work anywhere they want.
What women were fighting for in the 1960's was the right to choose to work in jobs that were considered "men's work" without being discriminated against. This type of job inclusive. Just because they CAN does not mean that they SHOULD want to.. it's the principle of equality that is undermined by the idea that IF they wanted to do that job they would be "allowed" to.
I don't want to be a nurse, or a secretary, or a typist, or a maid, or a waitress.. or any other job that historically was considered "women's work". It's not in my skillset or interest. But if I wanted to, I should not be discriminated against for choosing such a career.
Women in India have bigger problems than achieving complete equality in all industries.. like.. getting any equality in anything might be a good start for them over there.
Over here, women wanted to be "allowed" to succeed as doctors and lawyers and other things... being a ship-breaker was pretty far down the list and still is. Maybe coal miner would be a better comparison? How about the "mountain-mammas" of west virginia.. they tough enough to shipbreak for ya?
https://www.100daysinappalachia.com/2017/02/miner-matriarch-coal-mining-women-west-virginia/