Preliminary Key for Engineering(E)
Code:
http://www.mediafire.com/?nj2zjmljlum
OR

Code:
http://www.ziddu.com/download/10145183/PRELIMINARY-2010_ENGG.pdf.html

Preliminary Key for Agriculture & Medicine(AM)
Code:
http://www.mediafire.com/?yjiogomz5wn
OR

Code:
http://www.ziddu.com/download/10145182/PRELIMINARY_KEY_EAMCET-2010_AM.pdf.html