Hi Ankur,

I've tried below script in Client Script and no luck.

function onLoad() {
    try {
        alert("test");
        var buttons = document.getElementsByTagName("button");
        alert("test1");
        alert(buttons);
        if (buttons) {
            for (var i = 0; i < buttons.length; i++) {
                var testClass = buttons[i];
                if (testClass.className == 'form_action_button  action_context btn btn-default') {
                    buttons[i].style.display = 'none';
                }
            }
        }
    } catch (e) {
        alert(e);
    }
}

I've also followed below link accepted solution by creating UI policy, but no luck

How to hide UI Action based on field change in form without using DOM?

Please suggest some way to work on this.

Thanks