Gupt - The Hidden Truth (1997)
(Released: Jul 4, 1997)

Cast
After the death of her husband, Sharda (Priya Tendulkar) gets married to Governor Jaisingh Sinha (Raj Babbar). Her eldest son, Sahil (Bobby Deol) resents him, and at a birthday party in front of guests he threatens his stepfather with a knife. The next day he finds his father killed by the same knife, and he is arrested on the spot. In Court everyone of his father's associates, the family doctor (Kulbhushan Kharbanda), the lawyer (Raza Murad), even his own mother testifies against him; he is found guilty and sentenced to 14 years in jail. After a few days in jail, he escapes and a manhunt for him takes place, led by rogue police inspector Udham Singh (Om Puri). One by one all of who had testified against Sahil are either hospitalized in serious conditions or dead like Dr. Gandhi. While trying to extract the truth from Mantri (Prem Chopra), Sahil finds out that Udham Singh has arrested the real killer, and got a confession out of him. Shortly thereafter, Sahil returns home and his mother forgives him. Then the nightmare re-opens when Udham Singh is stabbed, and no one knows who the real killer is.