Police collared a man Monday for allegedly pushing an 82-year-old woman onto the subway tracks in Queens. Just before noon on Oct. 2, an assailant shoved the elderly lady off the platform and onto the train tracks at the Flushing-Main St. station, according to police. The attack was apparently random, and the woman did not know her attacker, cops said. Harris Brandon, 35, was charged with attempted murder and assault, cops said. After the disturbing shove, medics rushed the elderly woman to New York-Presbyterian Hospital Queens in stable condition.