Ubislate7 vs Aakash vs BSNL's tablet

Lots of tablets are roaming around nowdays in India. BSNL launches there own low cost tablet against all the rival acer, Samsung, blackberry playbook but especially ubislate.

There are 3 tablets launch by BSNL. These are:

Penta TPAD IS701R = Rs 3250

Penta TPAD WS704C = Rs 10999

Penta TPAD WS804C = Rs 13,500

The tablet has lots of feature including HDMI port, Gravity Sensor.etc.

Comparison between three different low cost tablets:

Tablet	Penta T-Pad IS 701R	Aakash	Ubislate7
Processor	ARM11 IMAP210, 1GHZ	ARM11 366MHz	ARM Cortex-A8, 700MHz
RAM	256MB DDR2	256MB DDR2	256MB DDR2
Battery	3000mAh	2100mAh	3200mAh
Operating System	Android 2.3 Gingerbread	Android 2.2 FroYo	Android 2.3 Gingerbread
Network	Wi-Fi only	Wi-Fi only	Wi-Fi+GPRS ,SIM card
Call Facility	No	No	Yes
Touch Screen	7-inch, Resistive	7-inch, Resistive	7-inch, Resistive
Screen Resolution (in px)	800×600	800×480	800×480
Audio jack	3.5mm	3.5mm	3.5mm
HDMI port	Yes	No	No
Office files support	Yes	Yes	Yes
USB ports	1	1	2
Cost	Rs. 3,200	Rs. 2,499	Rs. 2,999