Is it necessary to have principal's signature and stamp on AP EAMCET 2020 application form?
It is not necessary to have principal's signature and stamp on AP application form 2020, to be precise it isn't required. After you print the application form you need sign and put your thumb impression on it.
For more details or inspire of any confusion check
https://engineering.careers360.com/articles/ap-eamcet-application-form/amp
Hope this answer helps you.
All the best!!!!