Prathi Gnayiru 9.30 to 10.00 is a 2006 Indian Tamil-language film directed by Suresh Chandra.
The movie stars Ramesh, Karunas, Balaji, and Ravi in lead roles as four college students who mistake Kalyani for a call girl and gang rape her on a holiday.
After realizing their mistake, the friends return to Chennai, where Suresh is married off to a distant relative. However, he later discovers that his wife resembles Kalyani, leading to a series of events as Kalyani seeks revenge on the friends.
The film ends with Kalyani killing Suresh by making him inhale chili smoke.