If your JAM is in just around 45 days, follow this for Economics
Make Mental Map :   • How to create a Mental Map [FridayTal...  
Watch 'Why I Decided to Study MSQE at ISI Kolkata' :    • Why I Decided to Study MSQE at ISI Ko...  
Watch 'How I became an IITian (IIT Kharagpur)' :    • How I became an IITian (My JEE Story-...  
Buy these books for Masters in Economics Entrance Exams
Maths : https://amzn.to/3e4WyiA | https://amzn.to/3ab0jlg
Tomato (Test of Mathematics at the 10+2 Level ) : https://amzn.to/3ab0jlg
Statistics : https://amzn.to/31Zd7Jd (I'll be adding more books in future)
Econometrics (Statistics for ISI / DSE) : https://amzn.to/3i5fJK5 | https://amzn.to/2HvS4WE
Microeconomics : https://amzn.to/2QpP2Vn
Macroeconomics : https://amzn.to/37w1kTM | https://amzn.to/30Tk7qy


* ISI : Indian Statistical Institute
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Yours Truly,
Ashish Gourav
Quant Economics (MSQE), Indian Statistical Institute Kolkata
Engineering (B.Tech(H)), IIT Kharagpur
Creator - Honey of Knowledge
Blogs - https://statisticaldharma.blogspot.com/ | http://iitashish.blogspot.com/