koorm Pristhiya (Meru) Shri Yantra is one of the oldest, rare and precious Yantra created by ‘Aadi Guru Dattatreya’ for the welfare of common man. “Koorm Prishthiya Meru Shree Yantra” means Shree Yantras which is mounted at the back of tortoise upwards. It is also believed that the tortoise lifted weight of the earth over its back ,In relation to Lord Kachhap avtar (incarnation of Lord Vinshnu) .The king of the yantra is Sri Yantra. When it is placed on the back of the tortoise then its strength and auspiciousness increases manifold. This Koorm Prishtha Sri Yantra if kept at home and worshipped daily gives swift results in the form of monetary gain and all round prosperity. Place it in the North East direction.