Sachai Ki Taqat (1989)

In trying to gather solid evidence against smuggler, Dr. Narendra, Nandanda, a journalist by profession is killed by a masked man, leaving his only son, Sagar to take revenge for his dad's death. And then Sagar is accused of killing a woman named Shalini, a constable by the name of Ram Singh arrest Sagar and logged him in a cell. But Ram Singh realizes that Sagar is innocent and leaves no stone unturned in trying to prove Sagar's innocence but when the case is tried in court; it does not go in Sagar's favor as a result of which he is sentenced with death penalty.