Indian Institute of Technology, IIT Bombay

Yes, you can go for GATE exam but you have to clear the cutoff to get admission in IIT, Bombay.

240+ marks is safe side for sure. https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor click the predictor link and see in detail. Good Luck.

Every university has a different curriculum and therefore, there is a difference in years of the degree. The career options after M.Sc tech geophysics and M.Sc geophysics will be a bit different, you will have more scope after M.Sc tech geophysics than M.Sc geophysics.

Hello,
Kindly visit on Shiksha college predictor:
https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjPs-iFqpTcAhWMRY8KHariB-kQFjAAegQIBBAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H.

Hello,
Kindly visit on Shiksha college predictor:
https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjPs-iFqpTcAhWMRY8KHariB-kQFjAAegQIBBAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H.

Hello,
Here, I want to suggest you the Shiksha College Predictor. I have mentioned the link below for this:
https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjPs-iFqpTcAhWMRY8KHariB-kQFjAAegQIBBAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H

Hello Preyas,
IIT Bombay is the most preferred choice of students for this branch. For general category one must have rank of 800 or better and for your category you must have rank of about 250.

Hello Vikas,
No, B.Tech in aerospace / aeronautical engineering is similar to any other branch of engineering. A student needs to take PCM at 12th and score minimum of 75% marks to become eligible for admission. Of course you will need to clear JEE Mains and JEE Advanced to get actual admission.

Hello Vikas,
It's indeed quite good to hear that you are interested in aerospace engineering in IIT Mumbai. You need to take PCM subjects in your 12th exam and score minimum of 75% marks to be eligible. Then you need to clear JEE Mains and then JEE Advanced to get admission in this premier institute for studies in this branch.

For IIT-B, the cut-offs in the past few years have been between 1.5K and 2K for aerospace. The same has been ~2.5K-2.7K for IIT-K, and ~3K for IIT-M and IIT-KGP.
Regarding marks, scoring slightly above 50% of the max marks will surely land you with a rank close to 2k, which is sufficient for getting Aerospace at IIT-K, IIT-KGP, IIT-M but maybe not IIT-B.
Get around 1015 marks more, and you will nail IIT-B aerospace.