A man has allegedly killed his mother under the influence of alcohol in Dangibari of Jhapa. Buddhiman Rai (33), a resident of Dangibari-3 hit his 68-year-old mother Phulmaya with a wooden plank, leaving her seriously injured on Friday evening. Phulmaya succumbed to her injuries at the BP Koirala Institute of Health Sciences in Dharan today, according to DSP Sanjaya Kumar Raut at the Area Police Office, Birtamod. Buddhiman has been arrested by police for necessary action.