IIT

For getting into IIT architecture, weather in IIT Kharagpur or IIT Roorkee, you will have to clear the architecture aptitude test conducted by the IIT to get a seat there.

For that, you have to first go to your school from where you have cleared your class 12th, ask the procedure of the improvement, finish all the formalities and then get back to your JEE preparation.

For M.Sc, there is something called JAM exam.
You can get more information here:
http://jam.iitm.ac.in/jam2016/ac
The candidates who qualify JAM 2016 shall have to fulfil the following eligibility requirement (ER) for admissions in IISc and IITs. All candidates admitted through JAM should have a Bachel

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

It's possible. If you are passionate about this, go for CS and learn interdisciplinary course through online education.

Admissions in IIT depend on rank not on marks. Rank vs marks trend always changes in JEE Advanced. Even no one knows the full marks of the exam. So, prepare nicely and give your best to get aerospace in IIT. Currently, only in 4 IITs aerospace is there. IIT-Kanpur, IIT-Kharagpur, IIT-Bombay & IIT-Ma

No, you cannot appear for IIT after this much time. You need to do some other course.

No, there is no such quota in IIT but there is a quota called DASA in NIT and IIIT.

First, I would like to clarify a misconception among people that Chemical Engineering is more about chemistry. Chemical Engineering has lot of diverse applications in various process industries, oil and gas, renewable energy, pharmaceuticals, polymers etc. Coming to Chemical Engineering at Indian In

The IIT MADRAS is in TAMIL NADU. It was the third the oldest IIT established in 1959. You can check more facts and things about IIT MADRAS AT
https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://en.m.wikipedia.org/wiki/Indian_Institute_of_Technology_Madras&ved=0ahUKEwjy6-3sxtXbAhVTfH0KHRs1D