Your EAMCET rank of 31,684 (SVU local rank 3,566), EWS, and female category give you good chances in many of the mid-tier colleges in Andhra Pradesh. You could approach branches such as ECE, CSE (in upcoming regions) or IT in colleges such as Sree Vidyanikethan Engineering College, Annamacharya Institute or Madanapalle Institute. Top universities might be hard, but branch options in good colleges can still make you well prepared in the future.