Hello Aravind. You mentioned you are from BC-B category and acquired 30,000 rank. Based on your rank and previous years' cutoff trends you have good chances in the following public/government institutes:

1. Andhra University College of Engineering, Visakhapatnam (Biotech, Ceramic Tech, Geoinformatics depts.)
2. JNTUK University College of Engineering, Vizianagaram (Metallurgical Engg dept.)
3. JNTUA College of Engineering, Kalikiri (Food Tech. dept.)
4. University College of Engineering JNTUK, Narasaraopet (EEE, ME, CE depts.)
5. ANU College of Engineering and Technology, Guntur (ECE,ME, EEE, CE depts.)
6. Sri Krishnadevaraya University College of Engineering and Technology, Anantapuram (ME, CSE, CE depts.)
7. YSR Engineering College, Proddatur (CE dept.)
8. Adikavi Nannaya University, Rajahmundry (CSE, ECE, ME, CE, Electronics and Instrumentation Engg. depts)
9. College of Agricultural Engineering, Acharya NG Ranga Agricultural University, Bapatla (Agricultural Engg dept.)
10. College of Dairy Technology, Tirupati (Dairy Tech dept.)

You have good opportunities to get admission in various private colleges as well. Feel free to use AP EAMCET 2021 College Predicto r to know your eligibility for various streams in various colleges based on your performance.

https://www.careers360.com/ap-eamcet-college-predictor?ici=cp-listing_root&icn=AP-EAMCET-College-Predictor

I wish you all the best for your career and future.

Thank you.