Based on the provided information, an assessment of the film's portrayal of LGBTQ+ characters and themes cannot be accurately made. There is insufficient data to determine their presence or the nature of any potential depiction within the narrative.

There is currently insufficient information available to assess the film's portrayal of transsexual characters and themes. Without specific plot details or character descriptions, it is not possible to determine if such depictions exist or to evaluate their nature.

The film does not feature any female characters engaging in or winning close-quarters physical combat against male opponents. Female characters, including the lead, are not depicted in significant action or combat roles.

Nijam (2003) is an original film with no specified source material, previous installments, or historical figures. Therefore, its characters are considered new and original to the film, precluding the possibility of a gender swap from prior canon.

Nijam (2003) is an original Telugu-language film, not an adaptation of pre-existing source material with established character races. Therefore, no characters in the film can be considered a 'race swap' from a prior canonical depiction.