The seer, who attempted self-immolation at Deeg in Bharatpur to protest against illegal mining, was declared dead in a Delhi Hospital, said the officials on Saturday. "Sadhu Vijay Das died at around 2.30 am in the hospital where he was undergoing treatment after his self-immolation attempt. The post-mortem has been scheduled for 9 am," informed Sub Divisional Officer, Sanjay Goyal.