Hello student,
You have not mentioned which category you belong to. With a rank of around 51,000, for general category students, the following colleges are possible through ap eamcet rank,
Aditya college of engineering
Adharash college of engineering
GIET insitute of technology
Kakinada institute of technology.
However, you can also predict the colleges which you are likely to get using the below mentioned link:
AP EAMCET College Predictor - Know your College Admission Chances Base ...
Application | Exam Pattern | Admit Card | Answer Key | Result | Cutoff | Counselling | College Predictor
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile