NELLORE: In a tragic road accident a mother and son died who were on their way back from a pilgrimage in Sri Potti Sriramulu Nellore District on Sunday. Five people were injured in the accident which took place at Alliguntapalem Cross Roads in Kavali Mandal. According to Kavali Rural SI Venkata Rao, ten members of the victim Bongarala Udayakiran's family hailing from Parvada