Testingसिंदूर
Sindoor Solution Test of Soil from the Four Corners
A chemical test in which soil from the four corners is mixed with sindoor in glass bowls: soil that turns from black toward reddish shows a land able to change and improve, while soil that stays black is not considered good.
Sindoor, 2 to 2.5 g per bowl
Samples from the North-East, South-East, South-West and North-West corners