hi

Based on your eamcet marks and ipe marks your rank will be generated and as per your caste , rank and branch you pick , they gonna allot you a particular college and as per your information your rank varies between  17k-20k and this may varies as per students performance in exams and weightage always depends on number students qualified in exam and for more information go to below links

https://engineering.careers360.com/articles/ap-eamcet-rank-predictor

I hope this information is helpful

ALL THE BEST