The film 'Once Upon a Time in Mumbaai' does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses exclusively on heterosexual relationships and the power struggles within the criminal underworld, without any depiction or exploration of queer identities or experiences.

The film 'Once Upon a Time in Mumbaai' does not feature any identifiable transsexual characters or themes. The narrative primarily focuses on the rise of gangsters in Mumbai's underworld, exploring themes of power, ambition, and rivalry. There are no plot points or character arcs that depict or engage with transsexual identity or experiences within the story.

The movie does not contain any action or adventure elements.

The film's main characters are inspired by real historical figures, and their on-screen portrayal maintains the documented gender of their real-world counterparts. No established character from source material or history is depicted with a different gender.

The film is an Indian production depicting characters inspired by real Indian historical figures and original characters. All main characters are portrayed by actors of the same broad racial background (Indian) as their historical counterparts or implied origin, thus no race swap occurs.

While the cultural backdrop of Mumbai is largely Hindu, the film does not focus on Hindu religious practices, institutions, or beliefs with significant narrative weight.