He was brought to the St. Lukes Hospital for treatment of burns on his face and fractures on different parts of his body, media reports say.
The 34-year old Henry Teves, a neophyte congressman, is the grandson of former Rep. Herminio G. Teves.
His uncle Margarito Teves, is the Secretary of Finance, and also a former three-term congressman.
Henry succeeded his grandfather who had served three consecutive terms in the House.
Reports also disclosed that several members of the staff of Henry Teves were also injured.
It was reported that Henry and his staff were near the south wing waiting for their ride home at the time of the blast.
One staff member of Rep. Teves, Ma-an Abustanilla, was reported to be in critical condition and was fighting for her life, according to reports.