Your understanding should of that level where you can read and understand the Economic Survey without breaking your head.
To gain that much knowledge, you have to finish the basic economic concepts from class 11 and 12 NCERTs. Those concepts will help you understand and relate to Indian Economy and current affairs. But initially go through past year UPSC prelims questions on economy. You can refer to Ramesh Singh to get more insights about important topics frequently asked in examination.
Moreover, we explain economy concepts in-depth in our test series synopsis.
