The film 'Ek Hasina Thi' does not feature any identifiable LGBTQ+ characters or themes. Its narrative centers on a heterosexual relationship, betrayal, and revenge. No elements pertaining to sexual orientation or gender identity are present in the plot or character arcs.

Ek Hasina Thi is a thriller focusing on a woman's quest for vengeance. The film does not feature any identifiable transsexual characters, nor does it explore themes related to transgender identity. The entire plot and character arcs are centered around cisgender individuals and their experiences within the crime and revenge genre.

The film features Sarika Vartak, who seeks revenge on male antagonists. Her victories are achieved through strategic planning, manipulation, and the use of firearms. There are no instances where she defeats male opponents in direct physical combat.

The film "Ek Hasina Thi" is an original story, not an adaptation of pre-existing material or a reboot. All characters were created for this specific film, meaning there is no prior canonical gender to be swapped.

Ek Hasina Thi is an original film with characters created specifically for this production. There is no prior source material, historical record, or previous installment to establish a canonical race for any character that could then be altered.

While characters may implicitly belong to this cultural background, the film does not depict Hinduism, its practices, or its adherents with any significant narrative weight or thematic focus.