Hi Ernest,
Thank you, it did solve 50% of my issues. You are awesome. For understanding the other part of issue please see this screenshot :
Launch URL : http://www.pathologybazaar.in
Step 1 : https://ibb.co/Y7gFnJ6
Step 2: https://ibb.co/QMD9rkX
In step 1 I selected a custom taxonomy from filter shortcode and closed popup (page does not reload) . In step 2 I clicked to see search on header but filter settings not retained.
Many thanks
Sandy.