Thank you @Hachidori for quick reply. seems to be the grant access is limited to field values in Project/Task/Request level Forms . however will check with admin-only option with different users login.   

Hi All,Good day!I have created custom form and form fields are used for different purpose in Project/Task/Issue.Problem is, someone from team are knowingly/unknowingly updating/deleting the Form fields and it is impacting the business.  Do we have an option to, 1. Lock the created Custom Form so tha...