CBSE has announced the exam date sheet for class 10th and 12th. So, it's time to study. Avoid being panicked during exam time. Make an exam preparation plan in advance and follow it strictly.
The Best Tips to Study for Economics Exams
It's a good idea to start preparing for any exam one to three weeks in advance. It will give you enough time to complete the syllabus and revise it properly.
Here are other tips that you need to follow to crack the exam with an excellent score.

Take the help of your teachers to get the exam outline. Ask them on what to expect on the exam.

You should create an overview. Whatever study material you have like notes, assignments or any economics books class 12, just review it carefully.
Focus on and review the main ideas and basic concepts of economics.
For any lengthy topic, divide it into subtopics and then make a study plan to read it. Also, consider it's supporting details.

The practice is the most important part of any exam. Solve the old questions papers that will give you an idea on the exam pattern and questions style.
Take rest whenever you need.
You should ensure that you are getting plenty of food, sleep and relaxation. Avoid changing the study place and time every day. When you start studying every day, give 10 minutes to reviewing and revising the things that you study earlier. To retain the information that you get from any source like economics book class 12, internet, assignment and any other, make your notes. Revise your notes on a daily basis. If you are unable to complete any particular task in one session then take it to your next session.
Not just memorize facts, try to understand the basic concepts. Don't try to learn anything new the night before the exam. Take proper sleep. Be positive by visualizing yourself succeeding.
Never skip the meal before your exam, it can cause tiredness and poor concentration. Reach at the time at the exam centre. During the exam read all of the questions before beginning. Answer the questions first that you know very well. Watch the clock because you have to complete the exam within the given time.