A lot of people have been asking about the resources I used for Economics Optional, so sharing them here. Paper 1 Micro – HL Ahuja Macro – Froyen + HL Ahuja (only a few topics for clarity) Money & Banking – HL Ahuja (relevant topics) + DU readings + Internet International Economics – Salvatore + DU readings Public Economics – HL Bhatia + DU readings Growth & Development – Thirlwall, Jhingan + DU readings Environmental Economics – mostly prepared through PYQs Paper 2 Followed notes of - Shreya Shree ma’am Pragati Nautiyal ma’am Lalit Kumar sir Economic Survey Budget PT 365 and Mains 365 PYQs are of core importance in both papers. I solved all the PYQs from 1995. Special thanks to Abhishek Dudhal sir for his guidance, PYQs e-book and notes. They were very helpful during the preparation. Sanskriti Singh, AIR 165, UPSC CSE 2025
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