Dilshad, accompanied by his wife Najma (30), two daughters Rukhsana (5) and Habiba (1) and son Parvez (4), was returning from a relative's place when the mishap occurred after he lost control over the motorcycle, SSP Vijay Yadav said.
While he and his son Parvez escaped unhurt, Najma, Rukhsana and Habiba were knocked down by the truck, he said, adding police have arrested the truck driver.