This building was used to perform the ceremony of Ariyittuvazhcha by the Maharajas of erstwhile Cochin Kingdom.
It was constructed of brick and wood and the ceiling is covered with burned mud pieces called "oodu".
[2] This ceremony began with a procession from the Dutch palace and progress to Ariyittuvazcha Kovilakam.
After that the locked room was opened and the Maharaja sat on the cot with an olakkuda (an umbrella made of palm fronds).
[3] The priests performed the Vedic rituals and rice was showered on the king in blessing.