Mate, trust me, it's more of a Game of Economics than Game of Defence being played out here, Making of a BMD shield by India + Indo-US nuke deal have made Pakistan nervous & now they are expanding there nuke arsenal like no other nation, IMHO, it doesn't matter if a nation has 10 nukes or 1000s, as nuke weapons are more of a psychological weapons than weapon of actual use, but what this has done is that Pakistan is now spending close to $2 billion on it's nuclear arsenal every year (maintaining & making new), now every defence expenditure should have the support of Economy, but Pakistani economy can't support this massive expansion in it's nuclear weaponry, this was the same mistake that the USSR did (18000 nukes at it's peak).