"The movie is on how a person throws out garbage from his house's window without caring about neighbours," Monica Wahi, curator of 18th ICFFI, told IANS.
"Return Gift" is four minutes long and will compete with other films, made by children aged between 6 and 16, under Little directors category.
Other competing films are "Baheliya Ka Jaal", "Save the Tiger" and "The Apple who Cried Wolf".
The seven-day festival started Thursday here. Winners will be declared Nov 20.