Black mail by irfan khan

You're referring to the 2005 Indian thriller film "Blackmail" starring Irrfan Khan!

"Blackmail" is a psychological thriller directed by Anurag Kashyap, and it tells the story of a man named Dev (played by Irrfan Khan) who discovers that his wife, Rita (played by Tisca Chopra), is having an affair. Dev, feeling betrayed and hurt, decides to blackmail Rita's lover, but things take a dark and unexpected turn.

The film explores themes of infidelity, betrayal, and the consequences of playing with fire. Irrfan Khan's performance as the complex and troubled Dev received critical acclaim, and the film was praised for its tense and gripping storyline.

"Blackmail" was a commercial success and received positive reviews from critics, with many praising Irrfan Khan's performance and the film's thought-provoking themes. If you haven't seen it, I'd definitely recommend giving it a watch!