NEW DELHI: A 19-year-old girl allegedly committed suicide by hanging herself at Dabri here on Friday. According to the police, Priyanka alias Dolly, a B.A. Part I student of Bharati College, was found hanging from a ceiling fan in her house at Durga Park around 9 a.m. The police suspect that the girl took the extreme step as she was not doing well in studies. No suicide note was found.