According to Vastu Shashtra interior planning of your house building given bellow :
Room/Hall/Toilet ----- Direction
Pooja room : North East
Kitchen room : South East
Bed room : South , North and North North East
Store room : North West
Study room : South West
Dining Hall : North North East and South South East.
Toilet : South - South West
Guest room : East North East, West North West
Bore well and Hand pump : North East and North North East.
Family leaves : South South East and North North West.