Covering their Rear?

Pakistan is terribly worried about attacking the jihadis in the western frontier provinces because the Pakistanis continue to identify India as their primary enemy. The Pakistanis can't afford to offend the tribes because Pakistan needs the geographic depth as a rear area in case of war with India.

So when the jihadis just break off from Pakistan, how will that strategic depth look?

And I'm assuming the jihadis don't march down into the lowlands and take over the rump Pakistan, too.