First thing is knowing the syllabus, exam pattern, marking scheme and other details about the ICAR AIEEA exam. Then accordingly you should plan making a routine which covers your all sections and topics. You can also give some extra time to your weakest subject.

Your best book is NCERT which covers the entire portion of PCB (Class 11/12). Questions from GK are also expected so prepare accordingly.

Revise what you studied timely so that the concepts are understood or else you can forget whatever you studied.

You can make short notes on a daily basis which you have studied. Write all formulas in separate notebook. You must follow your syllabus books along with some reference books.

Before completing your preparation, give online mocks and tests to analyse your preparation. You will get a lot of help through tests as it will help to improve your weak areas.

Good Luck.

Questions are from Physics, Chemistry, Biology, Maths and Agriculture, of which one has to attend any three. Focus on basics and prefer NCERT books as it will help you.

Here are some preparation tips for ICAR AIEEA you can prefer given below:

Make your time schedule: You need to prepare your time table topic wise as it will help you to cover all the entire syllabus & topic wise study will help you to keep focus you on your weak areas.

Practice & Revision:

Do practice which you have studied on a regular basis. Revision is also very important part to make strong your preparation so Do revision just after the completion of one topic. Always try to make short notes for revision.

Time Mangement: Time management is very important so divide your time for study &  concentrate on it properly and the most important be confident.

Good Luck!