The deceased were identified as Tania Akter, wife of Habib Miah of Mirzapur village of Atpara Upazila, and her son Momen, 6.
OC Burhanuddin Khan said that the auto-rickshaw carrying five passengers was going to the Netrokona Station. A bus coming from Madan rammed the autorickshaw at Gadaikanda, leaving auto-rickshaw passenger Tania Akter dead on the spot and three others injured.
Later, the locals rescued the injured and took them to Netrokona Sadar Hospital, where doctor declared Momen dead.
Seriously injured Habiba was sent to Mymensingh Medical College Hospital.