<p class="MsoNormal" style="MARGIN: 0in 0in 0pt">Despondent after failing in her Standard IX exam, a 14-year-old girl committed suicide by setting herself ablaze at her house in Rajarajeshwari Nagar on Monday evening.The girl allegedly took the extreme step as she was unable to bear the snide remarks made against her by her peers over her failure.The girl, identified as P Madhushree, was a student of Good Health School, Rajarajeshwari Nagar. She had failed in two subjects and was dis…