Engineering Entrance Exam

Yes, after completing your engineering Diploma, you gets direct entry to 2nd year of engineering. Some colleges take admission through lateral entry exams like Joint Entrance Examination of Lateral Entry (JELET), Diploma to Degree Entrance Competitive exam, etc. So, you need to appear and crack thes

It is not that bad. If you have money and interest in the field you can take it. You will definitely gain knowledge and exposure to the culture and the latest technology. If you are just looking for the degree it is not advisable to take the course in VIT. According to the placement, VIT is not good

Yes, then also you can enter into good engineering colleges by giving their Individual Entrance Test. Some examples may be VIT Vellore, SRM Chennai.

Best books to prepare for JEE Mains are:
IIT JER Physics
Problems in Physics.

Yes, you can get any government college of your state. Be aware during the time of counseling. To get more insight about college, you can get please visit Shiksha JEE Mains college predictor app, here is the link-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

No, your marks are less to get an NIT, but you can get other government college of your state. Stay aware about counseling. You can prefer Shiksha JEE Mains college predictor app to get more insight about college you can get.

NCERT books are best for JEE preparations.

Last year, rules were changed. Now, rank depend on JEE score.

If you want to do B.Sc, when you are preparing for JEE, then it is possible. But, when you go for engineering degree, you have to leave B.Sc and need to take TC from the college. This is because, a person can do only one regular degree at a time. If you take admission for B.Sc through distance learn