Hey Arthi,

First of all you have to be confident that you can do it.

Start doing Self study because self study is that key which helps you to crack any exam.

Stay Informed. Go through the paper format and syllabus properly before starting the preparation.

Time distribution. Devote equal amount of time to each subject. ...

Take a break. Indulge in other activities that calm your mind. ...

Make notes. ...

Covering all the subjects. ...

Keep practicing. ...

Seek advice. ...

Do not take stress.

keep patience. 

So, at last don’t take any tension just keep going on and do your best. !!BEST OF LUCK !!