Science

Hello, Its up to you. If you have the passion and dedication towards it then, you can prepare for it 1 month itself. Otherwise, 1 year will not be enough. For your help, I have mentioned some of the tips to prepare of the CSIR NET Exam:
From now you should be focusing on the most important topics. Solve as many previous year CSIR NET Question Papers as possible. Click here http://bit.ly/32MNXuj to download CSIR NET Question Papers. Make regular notes. Learn all the important stuff. Maintain you health as well. Only eat healthy food. Take online mock test to analyze your preparation level. Study at least 6-7 hours daily and give 30-45 minds to the revision. CSIR NET Exam will be conducted in the month of July 2020. So, prepare yourself well. Best of Luck!

The eligibility criteria of M.A. in Economics (Specialization in World Economy) of JNU is given below.
Eligibility criteria :
(i) Bachelors degree (with 50% marks in aggregate) in the following subjects: Economics (Hons.) with
Mathematics as a subsidiary subject; or Mathematics (Hons.) with Economics as a subsidiary subject; or
Statistics (Hons.) with Economics and Mathematics as subsidiary subjects.
(ii) Any other Bachelors degree (with 60% marks in aggregate) with courses in Microeconomics,
Macroeconomics, Mathematical Economics and Statistics.
So from above Bachelor degree in Economics (Hons.) with Mathematics as a subsidiary subject is needed for M.A. in Economics (Specialization in World Economy), hence you are not eligible for the asked course.