8th Tamil unit 8.4 - மனித யந்திரம் Book Back Questions with Answers: Samacheer Kalvi 8th Standard New Tamil Book Back 1 Mark and 2 Mark Questions with Answers PDF in Tamil uploaded and available below. The Samacheer Kalvi Class 8th New Tamil Book Back Answers Unit 8.4 – மனித யந்திரம் Tamil Book Back Solutions/Answers are available for English and Tamil mediums. TN Samacheer Kalvi 8th St...