Check box in child table in webform not working

Hello, I have made a custom enquiery doctpe and created an webform for the same. i have a child table in the doctype, in which i have few check boxes. when using this child table in web form, i can fill other details as normal, however checkboxes are not working. So what should I do to have those checkbox working in child table in webfors.

@Deep, Now it’s working in version 12.