... served two non-consecutive terms as prime minister, heads the Pakistain Moslem League (Nawaz). Noted for his spectacular corruption, the 1998 Pak nuclear test, border war with India, and for being tossed by General Musharraf, then by the courts...’s distance to power. If the differences started to become clear with the disqualification, the end was made official with the ticket distribution.
This is usually the routine for political separations ‐ they tend to happen once leaders are out of power.
In Nisar’s case, the final break came not over the end of the PML-N’s tenure but the latter’s (or rather Nawaz Sharif’s) refusal to give the party ticket to the former. The initial list of PML-N candidates had not mentioned any candidates for the constituencies Nisar Ali Khan had filed his papers from, leading to many a conjecture. Some felt that Shahbaz Sharif
...Pak dynastic politician, brother of PM Nawaz Sharif, chief minister of Punjab...(who continues to maintain a better relationship with Khan than his brother) had prevailed while others felt that there had been a rapprochement between the party and the leader. But it turned out that Nisar and the party were not just on a break; it was over.
Admittedly, this is not unique to the PML-N; parties in Pakistain tend to revolve around individuals. As a result, any difference of strategy, principle or opinion ends up as an ugly clash of egos and a bitter separation. From the time of Zulfikar Ali Bhutto
...9th PM of Pakistain from 1973 to 1977, and 4th President of Pakistain from 1971 to 1973. He was the founder of the Pakistain Peoples Party (PPP). His eldest daughter, Benazir Bhutto, would also serve as hereditary PM. In a coup led by General Zia-ul-Haq, Bhutto was removed from office and was executed in 1979 for authorizing the murder of a political opponent...
to the present generation, there appears to have been little change. Anyone not willing to prostrate before the reigning monarch has had to exit, ungracefully.