Hey Banadarupalli N Rao,

Andhra Pradesh Eamcet mock test was provided by Jawaharlal Nehru Technological University Kakinada,

Here are few links for mock/practise tests which are used for practising,

1. https://www.google.co.in/amp/s/engineering.careers360.com/articles/ap-eamcet-mock-test%3famp

2. https://www.etutor.co/ap-eamcet-online-mock-tests

3. https://www.simplylearnt.com/examination/EAMCET-Engineering/practice_tests

All the best!

web link to practice online ap eamcet 2018 mock tests