GDP, GNP, NNP & NDP is studied as part of "National Income" (Indian Economy — Basics) in Economy. National income accounting — GDP, GNP, NNP — measures the size and growth of the economy and is the basis of all economic policy.

In the examination context, gdp, gnp, nnp & ndp carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.