Hi Anji. Your Eamcet rank will depend 75% on eamcet marks.25% on your ipe marks that is physics chemistry and maths incase of mpc and on 25% on  your ipe marks that is on botany,Zoology,physics and on chemistry incase you are a Bipc student.I think you got clarity about this if not please refer the below links

https://www.andhracolleges.com/eamcet/rank-estimator-eamcet-2014.aspx