Exam

You should start preparing from the 2nd year, keep note of basic concepts. Keep revising the concepts and applications of the same. Mostly you will get application based problems. You can join a coaching in 3rd year to get some study material and revising your concepts.

Not having good command on maths will definitely create a big trouble for you because scholarship test is to examine your potential and your capabilities. If they know that you are not good in maths so how will you crack the exam? Hence they will not precede you further.

Hi,
Please check the link provided here you all the information related to college which you can get by your rank and branch specified:
https://www.shiksha.com/b-tech/resources/ap-eamcet-college-predictor

BS is the graduation degree just like we have BE, B.Tech BA B.Sc, BS means Bachelor of science, but we have distinction in names between professional (B.E B.Tech) and non-professional courses ( B.Sc BA) they don't have that type of distinction. Yes, you have to give SAT/ACT or their local entrance t

You need to clear the entrance exam to get into graduation college for engineering. It depends on your field of interest which course you want to pursue in future.

Hi Mohd. Talha Ansari,
You may refer to this college comparison tool provided by Shiksha:
https://www.shiksha.com/resources/college-comparison