58-year-old Rattan Lal died at 8:20 AM in the Ram Manohar Lohia Hospital. He was in a serious condition and both his legs had been amputated, doctors said.
He is survived by wife, three daughters and a son.
"On Friday, he had expressed his desire to meet his wife and son and we had agreed," the doctor said.
Twenty-four victims of the blast are undergoing treatment in different city hospitals -- 11 in RML, five in AIIMS, four in Safdarjung, two in Max and one each in Moolchand and LNJP.
The explosion outside Gate No 5 of the high court had left over 70 people injured, many of them seriously.