9th Tamil unit 2.5 - தண்ணீர் Book Back Questions with Answers: Samacheer Kalvi 9th Standard New Tamil Book Back 1 Mark and 2 Mark Questions with Answers PDF in Tamil uploaded and available below. The Samacheer Kalvi Class 9 New Tamil Book Back Answers Unit 2.5 – தண்ணீர் Tamil Book Back Solutions available for both English and Tamil mediums. TN Samacheer Kalvi 9th Std Tamil Book Portion ...