Prompt Root bsnl penta is701r

Root bsnl penta is701r using framaroot appllication

Download the latest version of framaroot apk(v1.80) from this thread

install the app on your phone
open it and press the "Pippin" option
then you will get a notification showing "sucess...superuser and su binary have to reboot your device"

after that,reboot the tab and that's it u r rooted.