Knowing and surity of action are separate. What options do they have?
Strategically three things can be done by Pakistan:
1> LOC/IB escalation: It can increase its conventional activity vis-a-vis IA. But given the phatta, IA has been giving for the last two years especially, the 10Corp commander is shuddering in the boots. So that might be an unlikely scenario unless they want to deplete their war reserves.
2>Assymetric Movement: Pakistan can embolden the asymmetric assets it controls directly, like the LeT and its early prototype Al Badr, both will lead to direct financial imprint, FATF implication will lead to further downgrades by WB/IMF which will have disastrous consequences.
3>Jamaat coalition: Follow the Harkat ul Mujahideen model of an afghan Taliban force being re-purposed to fight in Kashmir through untraceable Dar ul uloom haqqania (Dera khattak) type saudi/emarati funding. Unfortunately for Pakistan, this umbrella organization of DUH will prioritize dibbs for haqqani and Hizb e Islami factions of taliban before it leeches anything to HuM/JeM type punjabi force. But this remains the long term semi-Fatf free option as long as ISI can assert it's dominance over the dera khattak funding corridor. This will piss off the Americans as this will also create considerable blowback in Afghanistan.
Tactically two options for Pakistan:
1> Provide money to dissidents in kashmir through hawala, the most effective mechanism to get Kashmiris to protest. Just for example, 500 rupee per pelter, 40 pelters to come into action across say 10 districts three times a month. That's less than an $800, with a cut for NC and PDP lets say its twice that $1600, that is less than the price of G3. A good half a million dollars, investment and there will be ample stone-pelters for Pakistan to utilize.
2> Increased Sniper activity along the LC and maybe even within the valley. Snipers were used very effective in Sarajevo so much so the main street there was dubbed sniper alley. Great amount of harassment to regular forces can be done by such activities. It will have consequences, if Pakistan wants Carl gustavs pointed at every post.