Based on the information provided, there is no identifiable depiction of LGBTQ+ characters or themes in the film '{Chorus} ({movie})'. Therefore, a specific analysis of its portrayal cannot be conducted, resulting in an N/A rating.

Mrinal Sen's 1974 film "Chorus" is a political satire primarily focused on themes of unemployment, class struggle, and social injustice in India. The narrative centers on the collective plight of the working class and does not feature any identifiable transsexual characters or explore related themes. Therefore, the film has no discernible impact on the portrayal of transsexual identity.

The movie does not contain any action or adventure elements.

Chorus (1974) is an original film by Mrinal Sen. It is not an adaptation of pre-existing material, nor does it feature characters with established canonical or historical genders that could be swapped.

Chorus (1974) is an original Indian film, not an adaptation of prior source material with established character races, nor a biopic or reboot. Therefore, no characters were pre-established as a different race before this film's production.