- Mili is a remake of his own 2019 Malayalam-language film Helen.
- Principal photography took place from August to November 2021 in Mumbai and Dehradun. Filming wrapped on 26 November 2021.
- In August 2020, Boney Kapoor bought the rights to remake the Malayalam film Helen (2019) in Hindi. The title of the remake, Mili, was announced a year later.
- The scenes depicting Mili stuck in a freezer were shot in an actual freezer.
- Janhvi Kapoor underwent “intense preparation” to portray her character, and said the filming process affected her both “physically and mentally”.
- All tracks are written by Javed Akhtar.
- Mili was released theatrically on 4 November 2022 by Zee Studios. The film received mixed reviews from critics and failed at the box office, though Jahnvi Kapoor’s performance received praise.