ISLAMABAD Prime Minister Syed Yousuf Raza Gilani has said that the benefits of 18th Amendment could only be obtained through its timely implementation. He stressed that the early implementation of the 18th Amendment needed unanimous support of all the political parties as it was demonstrated during the passage of the bill. The Prime Minister was talking to Senator Mian Raza Rabbani, Chairman of the Implementation Committee of the Parliament on 18th Amendment, here at the Prime Ministers Secretariat on Tuesday. Earlier, Senator Mian Raza Rabbani apprised the Prime Minister of the progress with regard to the implementation of the 18th Amendment. Syed Naveed Qamar, Minister for Petroleum and Natural Resources was also present in the meeting.