I’d say, if the MC is Hindu then heck ye have her wear the Bindi! But if she has full CC (therefore, readers can decide her ethnicity) then have the Bindi be optional as well. Maybe add the choice/question “Is [NAME] Hindu?” to determine whether to add the Bindi or not because there’s people around who have no idea of the significance of cultural assets and just use them as pretty accessories 
2 Likes