Pakistan Muslim League-Nawaz (PML-N) Chief Nawaz Sharif said on Tuesday that the rulers have pushed the country 50 years back in the last five years.Talking with media here, Sharif said that the innocent people are being killed from Khyber to Karachi on daily basis.‘It is the government’s responsibility to provide safety to the people of the country’, he said while lambasting the performance of the PPP-led government.The PML-N chief demanded implementation on the Supreme Court’s (SC) verdict regarding the Karachi law and order case.He said that the names suggested for caretaker prime minister would be acceptable for everyone.Earlier, former President Pakistan People Party Balochistan chapter Nawabzada Lashkari Raisani announced to join hands with Nawaz Sharif’s PML-N.