It's a federation but foreign, finance and military issues are dealt in Islamabad. More over, you want to say that its correct way of development when people from KPK and other regions migrate to Punjab province for livelihood?
This is going to overcrowd metropolitan in Punjab and with that crime would increase too, in coming years the system would collapse and there will be chaos. The development must be balanced.
What have we done with the sea shore line which could have boosted the economy and equally spread the job seekers in a balanced way and in multifold fields. After years of speculation we came up with Gwadar which would take another 10 years for fully operational.
IK is some how correct that Karachi has been neglected.