I don't know about Pakistan, but the Indian military is not a trivial adversary for China/Russia to "raid". Russia also sees no benefit to raiding India, as the

I don't know about Pakistan, but the Indian military is not a trivial adversary for China/Russia to "raid". Russia also sees no benefit to raiding India, as the two have historically been closely allied. Also, how practical is unprovokedly "raiding" a nuclear power that has shown a willingness to use nukes? Are you assuming the nukes get spent in one conflict? The stockpiles held by either probably suffices multiple wars.