Hello Ganesh Yamala. Thanks for contacting Careers360 and we hope we will be able to answer your query. 

I would first advice you to contact the School of Distance Education, Andhra University at the address given in the official website of the university for more information:

• http://andhrauniversity.edu.in/webnew/sde.php

Also, please see if this helps you:

• https://www.successcds.net/engineeringentranceexam/andhra-pradesh-ecet-for-diploma-holders.html

Hope this helps you and all the best!