According to Vastu Shashtra the place under the stares should be open and some light ( not heavy). Some roles of stares ( East, West, North and South ) facing direction given below ;
1) Stares should be always clock wise.
2) Stares should be East to West and North to South.
3) West South and South West direction of chance is best direction place of Stares.
4) Always avoid to make a Stares in North East direction.
5) East and South direction of a home is not suitable for stares. It effects the children's health.
6) If stares are round shape than these are turn East to South, South to West, West to North, and North to East.
7) If Stares are already prepared over a toilet than some rain water collect soil pot and put under the ground or a green plant should be keep their and other option seven types of food grain and some water in a pot keep or roof for a bird.