10th Social Science Unit 26 - Book Back Questions Tamil Medium with Answers: Samacheer Kalvi 10th Standard New Social Science Book Back 1 Mark and 2 Mark Questions with Answers PDF uploaded and available below. Class 10 New Syllabus 2022 – அரசாங்கமும் வரிகளும் Book Back Solutions available for both English and Tamil mediums. TN Samacheer Kalvi 10th Std History Book Portion consists of  ...