Hi porika.sairam3836,

Based on your rank and caste and branch you pick in particular college  , they will provide a seat in particular college and based on your marks and ipe marks  your rank will be generated and as per previous years cut off ranks and marks estimations  based on few factors  and your marks and caste there is a good chances for you to get rank between 15000-20000 this may varies as per no of students attended for exam and qualified and don't worry based on your caste  even if you get rank more then 40k also you get good rank as per reservation and for more information about cut off rank click on below link

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

Hope this information is helpful

ALL THE BEST