Hi Anamika
The best place to start your preparation is to begin from the basics for maths the main areas are Quants/ Algebra/ Mathematical Explanations or fundas <if you are a non-mathamatics student in your Hr. Sec.> then you move on to English where the main areas to focus are Grammer, sentence formation, comprehension and all other fundamental concepts that will help you to make a pass thru are the logical reasoning/ Jumbled sentences and so on.
If you need further ideas about this you came drill down in this same topic where in the begining i've given more ideas.
For Anonymous
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