The deceased was identified as Shefa Begum, 17, a class-10 student of Hajiganj Darul Ulum Ahmadiya Kamil Madrasa. She was the daughter of expatriate Delwar Hossain of Kaijanga village in the upazila.
Family members said Shefa had an argument with her mother on Saturday afternoon. At one stage, she poured kerosene on herself and set on fire.
She was rushed to Hajiganj Upazila Health Complex and was later sent to Comilla Medical College Hosptial, said her uncle Mustafa Kamal.
Angshu Paul, a duty doctor at the CMCH, said she had suffered about 80 percent burns.
“We provided her first-aid and recommended shifting to DMCH,” the doctor said.
Md Alamgir Hossain Roni, officer-in charge of Hajiganj Police Station, confirmed her death. “She died at DMCH in the afternoon,” he said, quoting the victim’s family members.