Its really simple to apply for voter id online.
All you need is a digital copy of a photograph of yours and correct address details.
Just fill this form http://22.214.171.124/ERMS/Eregistrationnew/userdetails_new.aspx and check the status using the application id here http://126.96.36.199/Status/Search.aspx
(All these links are available on http://www.ceoandhra.nic.in/ under e-registration tab. )
They will do the verification and process it.
Once verified, go to the nearest e-seva center with a printout of the approval receipt and pay Rs.10 to collect your card.
I got mine done in a month.
If you are already registered, you can check the polling booth details by entering the card no. @ http://188.8.131.52/Search_new/search1.aspx