Pretty much open borders with rest of Iranic world and Greeks.
one estimate puts that as high as 33% Pakistanis have greek blood and Rest are of various Central Asia Iranic and Turkish tribes such as Scythian, Parthians, Turko-Iranian Hepthalites, Gujjar Stocks.
Majority of West Panjabis have Turko_Iranian, Scythan, Pashtun, Tajik, Arab, Greek, Sayyid and Mughal bloodlines not Indian. We are Parthians, Scythians, Hepthalites and Irani group stocks. Our heritage descends from the IVC (Iranian farmers) centered on Harrapa.