CBSE Notes class 12 in both hindi and english medium are very popular among cbse students due to well explained by diagrams by our experts. Economics class 12 in hindi-medium chapter-1. अर्थशास्त्र की केन्द्रीय समस्याएँ, Economics class 12 in hindi-medium chapter-2. उपभोक्ता संतुलन , Economics class 12 in hindi-medium chapter-3. माँग का सिद्धांत , Economics class 12 in hindi-medium chapter-4. माँग की कीमत लोच,