A top Islamic scholar and his son are among four persons killed in a tragic road mishap at Chenani area of Udhampur district this morning, officials said.  A Maruti on its way from Gool Sangaldan towards Udhampur, skidded off the road and fell into a deep gorge near Prem Mandir Chenani, resulting in on spot death of two persons and injuries to several others.  Among the deceased include chief cleric Jamia Masjid Sangaldan Abdul Hamid (32) and his father, a top Islamic scholar, Mohammad Jamal Din (65).