An art exhibition at Kerala's Kochi-Muziris Biennale has been temporarily closed after protests erupted over a painting that Christian groups alleged insulted the depiction of Jesus Christ's 'Last Supper'. The Kochi-Muziris Biennale is the international exhibition of contemporary art, and is the biggest contemporary art festival across Asia. The sixth edition started on December 12 last year and will go on till 31 March. Sixty-six artists from 25 countries are taking part in the festival. The painting in question, made by artist Tom Vattakuzhy, was displayed as a part of the exhibition titled 'Edam'.