can I get cse or ece in CBIT Hyderabad with 8645 ts eamcet rank and I belongs to ews category female Andhra Pradesh

It is difficult to get seats but you can try .
Every year it is change as per how many Candida apply

You can visit this causes asper previous years cutoff

BE Computer Science and Engineering

2020 - 442 Closing rank

2019  - 1085 Closing rank

BE Computer Science and Engineering Artificial Intelligence and Data Science

2020 - 791 Closing rank

BE Computer Science and Engineering Artificial Intelligence and Machine Learning

2020 - 473 Closing rank

BE Computer Science and Engineering Internet of Things and Cyber Security Including Block Chain Technology

2020 - 783 Closing rank

BE Electrical and Electronics Engineering

2020 - 2009 Closing rank

2019 - 2867 Closing rank

As per your rank you can go for this causes

Last year's cutoff

BE Production Engineering

2019 - 15909 Closing rank

2018 - 12240 Closing rank

Or you can predict your college and course as per your rank from below link

https://www.careers360.com/ts-eamcet-college-predictor

Thank you. I hope this answer helps you.