Sri Lanka’s ruling United People’s Freedom Alliance (UPFA) sources say that a group of ruling alliance political parties and several ministers have initiated a petition signing campaign against abolishing the 13th Amendment to the Constitution.The petition highlighting the need of safeguarding the 13th Amendment to the Constitution is to be handed over to the President Mahinda Rajapaksa.Collecting of signatures to the petition commenced on December 07 at the parliament, sources said.A discussion has been held at parliament in regard of the petition with the participation of a number of minority community and leftist political parties.Sri Lanka Freedom Party Minister and former Chief Minister of Western Province Reginald Cooray also has participated in this meeting.Sources further say that Sri Lanka Freedom Party Ministers Dr. Rajitha Senaratne and Dilan Perera have also expressed solidarity to this move but they have refrained from participating in the meeting due to parliamentary select committee procedure on impeachment against Chief Justice.