Air 1 in JEE Advanced is not an easy task. It needs persistent hard work and dedication  to achieve this success.  Proper guiding is very much necessary with various tips and tricks to crack jee main and jee advanced.

You would be able to sit for jee advance only if you score a very good rank in jee mains. So you should be able to understand, that a huge amount of effort is needed from your side. If you are confident enough that you can can pour your dedication and hard work within a small duration of 1-2 months, then you can surely get your desired rank within short duration of time.

You can also go through the jee advanced preparation guide by Career360. It will help you with your desired success.

https://engineering.careers360.com/tags/jee-advanced-preparation-tips

I wish you good luck!