another thing we can do is, condition Russia along with Hard guarantees abt the pipeline its building from Fars field iran to Pakistan and India, essentially IPI.......If it wants these pipelines to go to india from our territory then it must ensure that Pakistan's reservations of selling lethal weapons to india like Yakhnook P800, S400 or Akula 2 subs etc etc in future will be considered, so much so that we can veto any such systems delivery or purchase.
Along with hard guarantees that these lethal Russian weaponry like the s400s or future s500s will be sold to Pakistan as i heard that india has taken guarantees from Russia not to sell s400 to pakistan ever inorder to taking the ''risk'' of buying these systems for themselves!