IIT

The basic reason behind most of the students not getting admission in IITs is lack of preparation in the right direction or underestimation of the toughness of IIT exam
Its two step process, you have to clear JEE Mains and then JEE Advance and you have to compete with roughly 12 to 13 Lacs applicants. Speed is also a major parameter, most of the students know around 80% of the paper but they are not able to complete due to slow speed. Mock practice papers before examination is the key for the same.

Yes, you can get. Contact the respective colleges ASAP.

IIST-Trivandrum is one of the top-notch institutes for aerospace and aeronautics course. Though you need to clear JEE Advanced exam for getting admission in this college.

Hi Rishika!
The cut-off changes every year and so does the criteria of admission in all the colleges. Please connect with the institute to understand their cut-off system and if you are eligible.

No, IIT does not take admission after 3 years since IIT does not provide lateral entry and hence you can't get admission in IIT IIIT, etc. You can get admission in lateral entry in private colleges.

Hiii Maithili, I am sharing some links with you for IIT-JEE and NEET preparation coaching centres in Goa. You can refer them to locate the convenient as well as good institute for your preparation. For IIT-JEE coaching classes :
https://yellowpages.webindia123.com/d-py/Goa/Goa/IIT-Coaching-Classes-218/1/
For NEET coaching classes :
https://www.sulekha.com/pre-medical-test-entrance-coaching/Goa.

Hello Phani,
Always remember, 'Where there is will, there is a way'. It's what is in your mind that matters most. One can definitely study hard and become a topper in school from an average student. So, don't lose hope. Have faith in yourself.