Science

Your marks of class12 in physics, chemistry and maths would be considered for admission to B.Sc. Physics.

Yes, you have a chance of getting the seat according to your rank and it is too good enough to get a seat in AU.

Yes, you may get a seat in SVU as you have a very good rank and due to the reservation too.

Which institute are you asking about?

The best of four percentage for your respective marks for B.A. Geo (Hon.) will be 75.5%.

Information Technology is better than electronics and communication engineering as information technology is a circuit branch and it can be integrated with many other branches. Also, it is related to CSE and you can do jobs related to computer science engineering as well as information technology.

The NEET examination is a medical entrance examination and UPSC is an examination for civil services for now, you should prefer NEET after 12th Science.

No, you cannot go for AUCET counselling with a backlog as the minimum eligibility criteria say that a candidate can apply for AUCET if he is passed with 50% aggregate.

So, basically taking those exams again will be extended your UG duration to the years you need to complete all the papers. So, next year you be able to sit for those exams and if you clear them, you will be awarded the degree.