There was only a single currency printing press in 1947. What was the alternative solution as per you?Here is something else:
When Pakistan was formed in 1947 we used rubber stamps to mark the demonetized Indian currency notes with the name "Pakistan". We couldn't even print our currency as the British India presses were in Calcutta. The currency notes were so worthless that until India reluctantly transferred some currency to the newly formed State Bank of Pakistan these had no value in the streets of Rawalpindi.
Yes sure, you defeated the princely state's forces before Indian army stepped in.We manufactured nothing, importing our shirt buttons from Britain.
We fought the first Kashmir war under those circumstances and took a third of Kashmir away.
We survived then and we will rubber stamp our currency again if necessary.... if only to fight you.
Rhetoric aside, sheer weight of numbers are on our side. In a conventional war, you cannot win. You have tried multiple times.
Proxy war only gave you a bad name over the years and cannot work in this day and age.
Nuclear war does not give anyone anything but only ashes.
So, what will you fight with and with what hope?