HI Yeswanth,

Well done for your score, but still you can improve it in second attempt so prepare well. Aerospace is really a better choice and it is growing area in upcoming future. In India the institutes which provide Aerospace are:

• IIST [ Indian Institute of Space Science and Technology ], Kerala
• IIT Bombay
• IIT Kharagpur
• IIT Madras
• IIT Kanpur
• Manipal Institute of Technology       [ offers Aeronautical Engineering ]
• IIEST Shibpur

Among these best is IIST, Kerala.

Thank you. Hope you admitted in good college.

All the best for your bright future.

HELLO YASHWANT
Congratulations for your result and qualifying JEE mains.
since it is very difficult to predict the exact rank but we do have a backup. we have a formula to calculate the expected rank that is (100 – Total percentile) x 869010/100.

So according to formula your expected rank for present percentile for January session comes out to be  102543 . Now the expected rank might change depending on the no of candidates appearing the april session. For ex if 12 lakh candidate appear the april session then just replace 869010 by 12 lakhs. But if you score above 85 percentile then you have a very decent chance of qualifying jee mains.

Now no Nits offers Aerospace/aeronautical engineering. so getting aerospace sit is impossible in NITs . But there are IIts which offer aerospace engineering such as IIT MADRAS,IIT BOMBAY etc.
so you still have a chance to enter IIT as you have already qualified JEE mains!!.
bUt some of the top institutes which provide aerospace engineering are provided in this link
https://engineering.careers360.com/colleges/list-of-aerospace-engineering-colleges-in-india

But if you are curious to know that which college you might land into with your percentile then you can use the college predictor link which has following features;

JEE Main 2020 College Predictor

Know your college admission chances based on your JEE Main Percentile, Home State, Caste, Gender, etc

Including premium institutes like NITs, IIITs and CFTIs, many States/ Institutes accept admissions through JEE Main. Know your chances in states like Maharashtra, West Bengal, Delhi

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https://www.careers360.com/btech-companion

ALL THE BEST FOR APRIL AND ADVANCE!!