Also known asclay potkulhadmitti ka bartan
After a birth or death in the family (sutak or patak) the Vastu devtas are affected too, so the whole house is purified: clothes are washed, raw clay vessels are thrown away, a dhoop kund is carried through the house and offerings are made to the Vastu devtas.
Whole house
At griha pravesh, the earthen kalash brought from the temple and carried in through the door is set on wheat in the North-East corner of the kitchen; the wheat sprouts from the kalash's moisture and shows the energy of the new home.
Ishaan (North-East) corner of the kitchen
Use a ghat that holds 1 litre of water, with a capacity of about 1.25 litres. Fill it with water only; nothing else goes inside.