Economics is a very important subject for students in class 12. It helps them to understand the various economic concepts and principles. It also helps them to understand the economic theories of demand and supply, market structure.
Chapter 2 National Income Accounting of economics for class 12 is important chapter for macroeconomics. No one can suggest you to skip this as in higher education you will have to study concepts based on basic calculation of National Income accounting. However, Graphs and diagrams ch 3 of Macroeconomics of class 12 are important too. It carries higher grades. chapter 4 Poverty from NCERT solution for class 12 economics and ch 7 of economics of class 12 NCERT are important with exams point of view. You can expect long answer questions. You can navigate through home page drop-down. There you will see class 12 economics that will take you to the selection for topics. You can also visit this link that will redirect you to the economics page. https://www.tiwariacademy.com/ncert-solutions/class-12/economics/
Pro tip – read the latest graphs from NCERT class 12 economics PDF solutions. If you remember the graphs/ diagram you can explain the rest theory.