A 14-year-old schoolgirl committed suicide in Nagdaho area of Phulbari upazila of Kurigram district Saturday morning.
The deceased was identified as Srabonti Roy Khushi, 14, daughter of Santosh Chandro Roy of the area. She was a class VII student of Rabaitari Girls High School.
Police said that her mother scolded Khushi for not giving attention to her studies.
Being agitated, Rina locked the door of her room and hanged herself from the ceiling with a scarf around 6.30am.
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Later, with the help of neighbours, Rina's mother broke the door of the house and brought the body down, said Md. Fazlur Rahman, officer-in-charge of Phulbari police station.
An unnatural death case has been filed in this regard, added the officer.