Hey Renuprasad,for ncc certificate and bc-b consideration you need to show the board/university the certificates at the verification done during the counselling then they consider for NCC and BC-B category and you can get the following colleges under bc-b category:

Vasireddy Venkatadri Institute of Technology

JNTUA college of engineering-kalikiri(govt)

Gayatri Vidya Parishad

JNTUA-pulivendula(govt)

ANU(govt)

MVGRCE-vizinagaram

PVP siddhartha Engineering college

Sri Vidyanekethan Engineering college

for more college info for your rank check:https://www.careers360.com/ap-eamcet-college-predictor

All the best!