MADURAI: The Madurai Bench of Madras High Court on Thursday sought a response from the State government on two Public Interest Litigations filed against the quarrying of sand in the Vaigai River bed in Sivagangai. One of the litigants P Mayazahu of Kalkurichi village in Manamadurai taluk, Sivagangai, said the Vaigai River is the only water source for nearly 25 …