Khamosh

Khamosh is 1985 Indian thriller directed and produced by Vidhu Vinod Chopra. The film starred Naseeruddin Shah, Shabana Azmi, Amol Palekar, Soni Razdan, Pankaj Kapoor and other actors.

The only person who believes that Razdan was murdered is Azmi, who heard Razdan practising her lines until late at night. Azmi realises that Razdan was portraying a village girl who spoke no English, but that she had started shouting something in English before she became silent. She agrees to help Shah catch the culprit, and they join forces but more murders happen first with Mrs Bhal, then the male housekeeper.Eventually, all clues point to Vachchani, who confesses that his brother Kapoor killed Razdan in a rage when she spurned his advances. Vachchani confesses that he was just covering for him, because his brother was mentally ill. Kapoor goes on a shooting spree, killing Vachchani in the process. It seems like the mystery has been solved but Shah realizes two thingsKapoors revolver had already been emptied before he shot his brother dead.Vachchani had posted a mysterious letter to his lawyer. ........

Source: Wikipedia