The harmika is a small platform with a railing located at the very top of a Buddhist stupa. Sometimes umbrellas were mounted in the harmika as a symbol of honour and respect. A gopuram is a monumental entrance tower at the entrance of a Hindu temple in the Dravidian architecture of Tamil Nadu. Mandapam is a Hindu temple architecture; it is a pillared hall or pavilion for public rituals. A garbhagriha or sannidhanam is the sanctum sanctorum, the innermost sanctuary of Hindu and Jain temples where murti resides.