BITSAT

Hi Kartik,
The exact date for registration for BITSAT 2017 is still not out but the registrations will start in the last week of December 2016.

In order to appear for BITSAT exam, you need to score more than 75 percent marks in HSC in PCM. You need to apply online for BITSAT exam.

Check the link below:
https://www.getentrance.com/engineering-entrance-exams.html

There is not a defined line that you have to read a certain author's books to clear an examination, go with the author or publication that suits your learning style and which you find easy to understand.

Only two attempts, the year that you have completed your 12th and the next year.

Hello,
Almost all of these entrance exams are conducted with aim of testing student's ability of logical thinking and knowledge of fundamentals of science. I would therefore advise you to stick to brushing up your basics. Besides, you will have to learn to answer in stipulated time. There are practice papers available, you can try these. But, get answers vetted by your professors.
Best of luck.

Visit the link mentioned below to know about the required score in BITSAT for getting admission in BITS, Pilani: https://www.shiksha.com/b-tech/bitsat-exam-cutoff

Syllabus of both EAMCET and BITSAT is similar to JEE Mains.

EAMCET and BITSAT are totally different exams. In BITSAT, English and logical reasoning is included and EAMCET is very easy as compared to it. BITSAT and JEE Mains exam is of same level.