BISWANATH CHARIALI, June 8 � Four persons, Keshav Tanti, Gopal Rajak, Parashuram Gowala and Deepak Gowala died on the spot and 25 were injured when a truck and a Magic vehicle collided head-on at Borgang under Borgang PS on NH-15 at midnight yesterday. Police said some of the injured were admitted to the Borgang Catholic Hospital, four to Kanaklata Civil Hospital Tezpur and two referred to the GMCH.