May i give june 2012 cpt attempt

I think the registration is valid for 3 years..and you must revalidate it after 3 years..

So you should check with the institute...

If you registered on feb 09, then you can write CPT for the years 2009, 2010 and 2011. You cannot write june 2012 CPT. You can register of CPT june 2012 now, and the last day for registration is April 4th.