Sri Lanka, Sept. 23 -- Samagi Jana Balawegaya (SJB) General Secretary Ranjith Madduma Bandara yesterday filed a Special Determination petition in Supreme Court challenging the constitutionality of the bill titled "Twentieth Amendment to the Constitution".

Six petitions have been filed so far against the 20th amendment to the Constitution including TNA leader R. Sampanthan, Centre for Policy Alternative, Anil Kariyawasam and Nagananda Kodituwakku.

The petitioner Parliamentarian Ranjith Madduma Bandara had named the Attorney General as the respondent and seeking a declaration that the bill in whole or in part thereby requires the approval by people at a referendum and requires a two-third majority in Parliament. The petitioner stated that...