https://notes.crisscrossclasses.in/class-12-economics-syllabus-%e0%a4%95%e0%a5%8d%e0%a4%af%e0%a4%be-%e0%a4%95%e0%a5%8d%e0%a4%af%e0%a4%be-%e0%a4%ac%e0%a4%a6%e0%a4%b2%e0%a4%be-class-12-economics-latest-syllabus-after-reduction-in-hindi/