According to Vastu Shashtra the suitable place of Master bedroom in south or east direction is best. If bedroom is south direction than it's toilet is south south west and if is it ( bedroom) in east, than toilet is at east south east is best direction.
The Kitchen's suitable place is south east corner. It should be on the proper place. The main entrance should be in east direction ( middle point of east to east north east direction is best) and North ( middle point of north to north north west ) direction is best. Other parts proper place is given bellow :
Pooja Room ----- North East.
Toilet ----- South South West and East South East.
Store Room ----- North West.
Dinning Hall ----- West and North.