The tower rises in several tiers called Bhūmi or tala. A single storeyed vimāna, is called Ekatala Vimāna, a two storeyed tower called Dvitala Vimāna and a three storeyed called Tritala Vimāna and so on. As in the case of Tanjavur Vimāna, the tower may be sixteen storeyed, called Śoḍasatala Vimāna.