This is Just My Thoughts :)
But You Should Know These thins Before Buy or BOOK !
This is a tablet Not a Phone , Need Wifi for Using INTERNET !
T-Pad WS704C and T-Pad WS802C Wi-Fi+GPRS via SIM card
2)No option to make a phone call in ANY of the model
I already Said that this is not a PHONE !! (Fring , nimbuzz,Skype)
Apps may be Support . from Android Market .
3)No detailed information about the devices
Cant Say NOW about Full Juice of Android is available on this tablets .
especially GAMES .
4) Hardware Spec OUTDATED (just Like BSNL)
No 1GB ram , No Android 4.0 , NO IPS Screen , Only 0.3 MP front
Cam, Only 800*600 Screen Resolution , Higher End Model Also having 4200m battery
Dont Know about INTERNAL MEMORY [not ram](ROM+Inbuilt+application install space)
But Those who Look At ONLY PRICE can consider BSNL TABLETS .