Yantras for getting the Vastu faults warded off
Dikdosha Nashak Vastu Yantra

Dikdosha Nashak Vastu yantra
A plot of land may have some faults with it. Some of its directions might be faulty, some of its corners like Ishan may not be there in their right place, some might be in disarray and some might be extra large. From Vastu point of view, these are the faults a plot of land may have. To ward off these faults, this “Dikdosha Nashak Yantra” is installed after consecreting it. A picture of Vastu Purush is drawn in this Yantra.
Vastu Dosha Niwarana Shree Sudarshana Yantra

Vastu Dosha Niwarana Shree Sudarshana yantra
This Yantra acts like the Sudarshana Chakra of Lord Vishnu and it wards off Vastu faults. It is used specially for commercial and Industrial Vastu. However, it can be used to remove all type of Vastu faults.
Vastu Devata Yantra

Vastu Devata Yantra
This Yantra is used in worshipping Vastu deities. It is placed in Pooja sthan to propitiate Vastu deities.