Colleges in Rajasthan

You need to score at least 385 to get admission in BITS, Pilani for CS.
For JEE, textbooks are extremely important.
Physics- Cengage Publications (The best with strong concept development and solved examples explained very well) and H.C. Verma
Mathematics- Tata Mc Grew Hill
Chemistry- OP Tondon and RC Mukerjee
I am attaching a link of JEE Books that you will find beneficial if you want separate specialized books on each topic:
http://www.askiitians.com/important-books-iit-jee.aspx

The fee in BITS, Pilani for MBA course is around INR 7 - 7.5 lakhs for the two years course.

Please visit the website http://www.bits-pilani.ac.in/ for information about the university.

Hi,
Jaipur National University offer distance MBA of 2 years. Interested candidate can apply directly to the college.
Eligibility: Candidate must be a graduate from a recognized college /university.

Yes, she does gets preference.
Preference as in counseling for them is one day prior to others.
This year counselling for B.Tech started from 29 June 2017 but for high school banasthalites the day was 28 June giving them an advantage over us.
And they get their stream of choice without much outside competition.
Hope this helps you to decide.

You should apply for ICAR test.