Complex sentence: PPP came there by the time of Zulfikar Ali Bhutto (the former of PPP), the introduction of the second party of PTI is that this party came here by the efforts of two youngsters Junaid Nizamani and Afaq Ahmed Nizamani.
Split into simpler sentences: PPP came there by the time of Zulfikar Ali Bhutto (the former of PPP). PTI was introduced by the efforts of two youngsters Junaid Nizamani and Afaq Ahmed Nizamani.