beautiful onam festival abstract mandala s. greeting card, banner or poster of a colourful rangoli or pookalam for

background banner beautiful big celebration ceremony chingam concept cultural culture decoration design editable event festival floral flower god greeting happy hindu hinduism holiday india indian invitation kerala malayalam malayali mandala occasion offer onam onamfestival pookolam poster rangoli religion religious ritual sale season south spiritual sravanmahotsav tamil thiruvonam tradition traditional vector