Talima Khadka, 28, of Badajaur-2, Namja lost her right hand and injured her legs in the blast, Rolpa Chief District Officer Hari Bastola informed.
Khadka has been taken to Nepalgunj after primary treatment in the village.
Rastriya Swatantra Party (RSP) lawmaker Yagyamani Neupane has said Nepal cannot establish good governance or effectively combat corruption without fundamental reforms to the judiciary.