Naman Ramachandran Acclaimed French producer Catherine Dussart has a full production slate including new works from veterans Amos Gitai, Rithy Panh and Peter Greenaway.Dussart is currently at the Venice Film Festival where Indian filmmaker Aditya Vikram Sengupta’s “Once Upon a Time in Calcutta,” co-produced by her Catherine Dussart Productions, is playing in the Horizons strand.