The title you're looking for, Underpants Thief (2021) —known in Sinhalese as Jangi Hora
The film explores themes of trauma, voyeurism, and obsession through the story of a man whose unconventional psychological compulsion stems from his past. Despite its controversial title, it was critically acclaimed, winning Best Feature Film at the Delhi International Film Festival. Feature Overview Release Date: December 2021. 18+ Adult Drama. Somaratne Dissanayake. Lead Cast: Pubudu Chathuranga and Dilhani Ekanayake. download best underpantsthief2021720p10bithdtv
While your query mentions a specific "HDTV 720p 10bit" release format common in digital communities, you can find official trailers and clips on the Somaratne Dissanayake Video Channel The title you're looking for, Underpants Thief (2021)