The no-confidence motion with 55 signatures was handed over to Speaker Karu Jayasuriya by the joint opposition.
Four Sri Lanka Freedom Party (SLFP) members of Parliament had also signed the no-confidence motion.
SLFP MPs T.B Ekanayake, Nishantha Muthuhettigama, S. Punchinilame and Cader Musthan have signed the petition.
The no-confidence motion notes some concerns against the Prime Minister.
The SLFP is expected to take a decision as a party on the no-confidence motion after studying its contents.
Some United National Party (UNP) members had said earlier they will support a no-confidence motion against the Prime Minister.
However the UNP, as a party has decided it will not support the no-confidence motion. (Colombo Gazette)