Pakistan Muslim League Function (PML-F) chief Pir Sahib Pagara's grandson Umar Mustafa Rashidi on Monday called on Pakistan Muslim League Nawaz (PML-N) Mian Nawaz Sharif at Raiwind and announced to join the party. During the meeting, they discussed current political situations in the country, law and order situation with particular reference to Karachi and others issues of mutual interests. The PML-N chief Mian Nawaz Shairf accepted invitation when Umer Mustafa invited him to visit Sindh. During the meeting, Umer Mustafa expressed his confidence over the able leadership of Nawaz Sharif and he announced to join the PML-N. Nawaz Sharif welcomed Umer Mustafa for joining his party and said that existence of Pakistan lie on existence of principled politics and called for do away with the politics based on hypocrisy