The figures are what they are, and we've explained them as best we can - the military comprising the largest group of Federal employees gets the largest share of the Federal pension budget, with provincial employee/retirees pensions addressed in the provincial budgets.
Pakistan's budgetary constraints can be best resolved, long term, by widening the tax base, increasing collection of direct taxes and reducing billions of dollars in annual losses through large Public Sector Enterprises such as Pakistan Steel, PIA etc.
P.S: Also see Saiyan's post above. He offered more detail on some of the same points I made.