A tragic incident took place at Nallaguntla Palle in Punganur Mandal of Chittoor District and a man is burnt alive in the car he is travelling. But there are doubts that he might have been murdered before he is put to flames in the car . This incident took place in the wee hours of this morning and the police who reached the spot are expressing doubts about the mishap. They are doubting that it is a murder