According to the researches of Dr Mirando Obesekara, He identify the Sigiriya as a historical turning point of Ravana. Before 50 centuries Sigiriya named as Alakamandawa (Akasa Maligawa).
The Indian ancient epic story “Ramayanaya” described the brother of Rawana (Kuwera/Waisrwana) is the owner of the Alakamandawa (Sigiriya). According to the Ravana watha Palm leaf book, Mayadanawa is the Architecture of the Sigiriya.He buid the Sigiriya according to instruction given by Vessamuni / Wishrawa Muni (Father of Ravana). Finally palace was dedicated for Ravana’s Brother King Kuwera(Waishrawana). After-wards the Ravana has banished the Kuwera & Got the Sigiriya under his Control.