USB drivers for Lenovo-P770

[bhanuandroid]

Dear members:

Sorry if it is irrelevant in this area.

Recently I have purchased lenovo-P770 mobile. (android OS: 4.1.1 JB)
there is no PC sync application for windows7 OS. No USB drivers.

Please help me to resolve this issue..???

Anyone updated to latest firmware..???

I want to restore apps using "carbon" android application.. It is not working..??

Waiting for your reply..???

Regards,
Bhanu