They are Pavitradevi Wanniarachchi, Rohitha Abeygunawardena, Prasanna Ranatunga, Prasanna Ranaweera, Sanath Nishantha, Dilum Amunugama and Lohan Ratwatte.
According to the sources, these MPs have disregarded and criticized party decisions and violated the party constitution.
The 19th amendment to the constitution says an MP will lose his parliamentary seat if he is removed from his party.
Criticizing party leadership and decisions
Decision on Sanath Nishantha is today
Meanwhile, a committee headed by lawyer Champani Padmasekara will announce its decision today (28) with regard to a disciplinary inquiry held against Sanath Nishantha.
He is accused of criticizing the SLFP leadership and decisions.
Meanwhile, UPFA general secretary Mahinda Amaraweera has told a function in Tissamaharama that strong action would be taken against SLFP MPs who promoted other parties.