Four students of a government school in Tamil Nadu's Vellore were found dead in a well near their village Panapakkam, 88 kilometres from Chennai, on Friday. Police suspect it to be a case of suicide pact. According to the preliminary investigation, the four girls identified as Deepa, Sankari, Monisha and Revathi took to the extreme step allegedly after their teacher scolded them and asked them to bring their parents to the school for a briefing about their academic performance.