Pakistan is destined to break up anyway. For India that is growing powerful by the day, it doesn't matter if Pakistan splits into 10 or 1000 pieces and whether Jihadis freak out there, as they are doing now. Jihadis are not alien to Pakis and so won't pose a new threat.
A politically strong India can crush Pakistan anyday, anytime. I really mean crush. No crappy negotiation, signing papers etc. just crush like a road roller. Anihihate. There should be a radiation glow with half life of 60 years. After that crops can be grown in what used to be Pakistan.