Engineering

According to your JEE Mains Percentile, there may be chances of getting a seat in mechanical engineering in any NITs or IIITs.
You can check it by clicking following link:-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

Hello Serjeel,
Normally speaking, all entities accepting online registration are aware that the students will make mistakes. Hence a window is normally provided for correction of such errors. However if a student has missed even this then perhaps at the documents verification stage or actual admission stage the student can seek correction provided it's not going to affect substantially averments that the student had made. Best wishes.

It generally comes in the month of December, and the exam date open in Month of April.

Yes, it provides placement in different companies like some IT sectors.

No, you won't be able to get admission in VIT since you haven't attempted VITEEE. The admission process has already begun and only those who have given VIT's exam are allowed to sit for counselling.

No, if you don't give the VITEEE examination, you aren't eligible for admission. I am sorry but that's the rule. VIT doesn't take admission through JEE Mains or directly.

IPU mostly release it's cutoff lists for B.Tech in the month of July.

Yes, many college takes admission through the entrance exam for Diploma.

There are very less chance for getting NIT-W with chemical or Meta branch.