The World’s Cheapest Tablet - Aakash 2 tablet now costs $40

Aakash 2 tablet features Cortex A8-700 Mhz processor than microprocessor provided in UbiSlate 7 tablet. Also Aakash 2 features Android 2.3 operating system and Android 2.2 version also. Both these Aakash 2 features are expected to provide better performance
 

Specification *
Android 2.3 touch screen
HD video co-processor for better multimedia
UbiSurfer browser
WiFi connectivity
GPRS connectivity
Optional 3G modems
Two USB ports
Inbuilt RAM of 256MB
700 MHz Cortex A8 processor
Inbuilt memory of 2G
Internal memory is expandable up to 32GB by using microSD card
7 inch touch screen and also 800×480 pixel resolution
Audi jack: 3.5 mm
DOC, DOCX , PPT,PPTX,PPT,PPTX,XLS,XLSX,ODT,ODP documents are supported
it will include a 3200 mAh battery

The previous version is Android 2.2 and has a resistive touch screen. Use Arm11 – 366Mhz microprocessor and a 256MB RAM. It supports only Wi-Fi network.The device has a 2100mAh battery with a life of 1.5 hours. The tablet weighs 350g

Get it Here 

http://www.usbsurfer.com/test/prebook7c.html 

http://www.ubislate.com/