JEE Advanced

You may get IIT, Bombay. If you want to know which college you can get on your rank basis then click on the link given below:
https://youtu.be/hOlit6Un7l0

You can just visit the JEE Advance 2017 key word to visit the Advance 2017 application form.

Click on the link given below and watch the video till the end. After watching the video you can find the branch name that you could get in these respective colleges. https://youtu.be/hOlit6Un7l0

First of all, congratulations brother!
Of course yes. You will get aerospace in any one of the IITs you want because your marks are damn good in Advanced.

Hi,
Kindly use Shiksha's college predictor.

Institutes like Aakash, FIITJEE help students like you and me who prepare for JEE, they charge you according to your marks obtained in admission test, the better you do less they charge or else better you join IIT programme in your college they may take 5000/-for your books or else you can even get them on internet free of cost.

Yes, you can appear for the 3 subjects. Clear the requisite of 75% marks as said by JEE Mains.

Use this rank predictor:
https://www.shiksha.com/b-tech/resources/jee-advanced-rank-predictor

It's too difficult to get a seat with this score. You need 200 and above to expect a seat in IIT.