The petitions were filed by Prof. G.L. Peiris, Minister Udaya Gammanpila, Vasudewa Nanayakkara and two others.
Security beefed up
Meanwhile, reports say that security has been beefed up around the Supreme Court premises.
Around 200 police personnel and the anti-riot squad have been deployed.
The SC is to take up petitions filed yesterday against the dissolution of parliament.