rightly said by jisran that pay is exactly the same as any other 17 grade officer
in addition to it IS allowance is also paid in Sindh as like army and police officers
moreover, vehicles are never a problem for officers of isi especialy when they are posted in field and that too prados and vigos
in HQ conveyance is usualy limited to pick and drop, as the case in any other deptt's HQ such as CPO for a psp
regards