The incident that happened near Dautana village under Jamuna Paar police station area yesterday left Hava(30), Ajit (25) and their mother Sheela dead, Deputy Superintendent of Police Ajay Kumar said.
The elderly woman had apparently left for the tracks for committing suicide due to a family dispute, police said, adding that her two sons followed her and tried to persuade her to come back.
Ajit was working with the Army an had come to his village on leave, he said.
The bodies have been sent for post-mortem, police added.
