Two highly possible reasons: Ah Neh cleaner is a sexual predator on the loose. Other possibility is that Ah Neh cleaner is of a higher caste, and he attacked the lower caste Ah Neh for daring to break out of her low caste. Farking low caste bitch trying to upset the social order of the Hindu world.
In India, both are pretty common. Ah Neh cleaner bringing India to Singapore.