A retired general's seventeen year-old article is not an official statement and this one describes a First Strike policy justifying no more than fifty nuclear weapons as a deterrent to a conventional invasion of Pakistan by India. The Gürtuna tract also describes Pakistan as having a First Strike policy, albeit one augmented by tactical nukes like the U.S-British deterrent in Europe in the 1950s. Indeed, the first article specifically cites British Gen'l Montgomery (not a very good commander, imo.)
Note that MAD requires an assured second-strike capability: not just a larger number of weapons, but assurance that at least some of Pakistan's nukes would survive an initial attack.