So far we don't have any official specific release date for this device. After going through the specs and features Aakash 3 sounds like superb and most accurate and featured with latest apps and stuff. Recently Datawind has launched UbiSlate 7C+ which is really good device, Aakash 3 will be a great tools for all students as it'll be supporting latest Android version, SIM slot, capacitive touch, GPRS and internet.
"People says 143. I say 444 i.e. Love Your Life"