iit bombey,madras,kanpur,karagpur is best iit where you can study aerospace engineering.

and no nit offered. see link:

https://engineering.careers360.com/articles/iits-cutoff-for-b-tech-aerospace-engineering

The course choice largely depends upon your interest and academic background.

There are various streams in MSC degree and you will have to understand and decide which career you wish to enter in. It cannot be a guess work.

I can guide you accordingly once you mention a brief of

There are various colleges providing Msc course in Stats. The admisssion process varies in all. Generally there is an entrance test for the same.

Some of the colleges are:

• University of Calcutta
• VPM's B.N. Bandodkar College of Science, Thane
• University of Delhi
• Periyar University
• Osmania University

And there are many

See your B.Sc wont be considered for GATE or even M.Tech. You need to complete M.Sc. Next, percentage doesn't matter to appear for GATE. You just need to have passed M.Sc. But for M.Tech admissions or PSU you will require at least 60% in your M.Sc. So study such that

It would be better if you can tell which particular state you are focusing on but generally below mentioned colleges are considered to be decent for the same -

St. Stephen’s College

Loyola College

Department of Science (Christ University)

Miranda House

Fergusson College

Madras Christian College (MCC)

Hindu College

Sri

I would suggest you to go through the below link as it contains previous year question papers for the same -

BHU PET papers

Good Luck!!!

Be Thorough with the Syllabus - Candidates must be well versed with the syllabus of JEE Main 2018. They should know the topics from which the questions will be asked. This will help them to divide their time.  Hence JEE Main 2018 preparation tips include being extremely thorough with

Which University have you done your course from? 

In order to get admission in IIT Kharagpur for M.Sc programme you need to appear for IIT JAM entrance exam. You can check the eligibility to apply for the exam with given below link.

IIT JAM Eligibility Criteria

Good Luck!