@Chinmai... Your issue seems to be different than the question here. But have you tried either of the following in your form?
hideChrome="true"
hideSplunkBar="true"
hideAppBar="true"
hideTitle="true"
hideEdit="true"
hideFooter="true"
Filters can be hidden only if you are using 6.5 onwards, or else you need to create a similar dashboard with default form values for various filters only for displaying on big screens.
hideFilters="true"
Refer to the documentation for Simple XML reference: http://docs.splunk.com/Documentation/Splunk/latest/Viz/PanelreferenceforSimplifiedXML#dashboard
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