Engineering Entrance Exam

Sorry to say but maximum of three times a candidate can appear in JEE Mains but for JEE Advanced, this is restricted to just 2 chances. In short you can't appear in JEE Advanced in 2017.

GATE score is used by majority of PSUs for recruitment of graduate engineer / management trainees. Some of the PSUs career opportunities and salaries are similar to private sector. Therefore, you are required to score high in GATE to seek job in PSUs.

Approximately 250 to 290 marks.

Aerospace Engineering is the most demanding and interesting career option. Students interested in learning about missiles, satellites and aircrafts, generally opt for aerospace Engineering.
This discipline specializes in designing, construction, development, testing and maintenance of commercial and

You have to go through the entrance test conducted by NDRI or you have to go through by ICAR.

If you are applying for the technical job on the basis of your Master's degree then it is compulsory for you to appear for GATE examination.

Can you tell me your rank?

You may please refer to link for Ranking of all engineering colleges entrance examination wise:
https://www.shiksha.com/top-engineering-colleges-in-india-rankingpage-44-2-0-0-0
If you click on All exam pull down menu, you will able to have list of all engineering entrance examinations.

Concentrate more on general aptitude, this will be quite easy to score more. Don't get stuck with the unknown questions and concepts, have a look on almost all categories of question paper and choose the section that you will excel. Practice more with the solved and previous, year question paper. Ho

You have to take JEE Mains exam. If you qualify JEE Mains with good marks then can easily get admission in an NIT.
Yes, student with less then 70 percent marks can take admission in NIT through JEE Mains but you have to score more if you want to get admission in a good NIT.