Incorrect on many pointsPorki defence budget is around 9 billion dollars.
Porki army have fauji foundation whose net worth is 20 billion dollars and yearly income of 1.6 billion dollars.
ISI main source of income is from drugs business. ISI network is used to paddle drugs from afghanistan ( biggest producer of opium) to other parts of worlds.
Aid and grants from US and arab is also major source of funding for porki army.
Porki army never gives pension that's why large number of retired porki soldiers join insurgency
PA pensions -exist and are regularly increased http://www.finance.gov.pk/circulars/circular_07072014-1.pdf
US aid is now largely material or to fund purchases from US sources no longer in cash