1. "Ardh Satya" (1983): Directed by Govind Nihalani, "Ardh Satya" is a critically acclaimed drama film that explores police corruption in India. Om Puri plays the lead role of Inspector Anant Velankar, while Naseeruddin Shah appears as a supporting character named Sudhir.
2. "Mirch Masala" (1987): Directed by Ketan Mehta, "Mirch Masala" is a comedy-drama film set in rural India. Om Puri plays the role of a chili powder factory owner, while Naseeruddin Shah portrays the character of a police inspector.
3. "Paar" (1984): Directed by Goutam Ghose, "Paar" is a drama film set during the Partition of India. Om Puri plays the role of a doctor, while Naseeruddin Shah appears as his friend and colleague.
4. "Tamas" (1986): Directed by Govind Nihalani, "Tamas" is a historical drama film based on the novel of the same name by Bhisham Sahni. Om Puri and Naseeruddin Shah both play pivotal roles in the film, which examines the Partition of India and its aftermath.
5. "Maqbool" (2003): Directed by Vishal Bhardwaj, "Maqbool" is a modern adaptation of William Shakespeare's play "Macbeth." Om Puri plays the role of Nimmi, while Naseeruddin Shah appears as Inspector Abbaji.
6. "Omkara" (2006): Directed by Vishal Bhardwaj, "Omkara" is another Shakespearean adaptation, this time based on "Othello." Om Puri plays the role of Bhaisaab, while Naseeruddin Shah portrays the character of Langda Tyagi.
These are just a few examples of the many movies in which Om Puri and Naseeruddin Shah have collaborated. They are both highly regarded actors in Indian cinema and have worked together to create some memorable performances.