In 1988 road rage case, the Supreme Court on Thursday has enhanced the punishment on a plea from the victim’s family and sentenced the former Punjab Congress President a year rigorous imprisonment. The 33-year-old case which has moved through 3 courts claimed the life of 65-year-old Gurnam Singh in Patiala. The victim's family has been fighting to seek justice against the killing of Gurnam Singh in a brawl with Navjot Singh Sidhu.