Answer :
The main entrance is most suitable in North to North North West, East to East North East and West to West South West direction.

The pooja room, Kitchen room, bedroom and etc should be as following this chart :
The internal part of house/flat ----- Direction
Pooja room ----- North East
Kitchen room ----- South East
Bedroom ----- South, North , East, North - North East and North - North West
Toilet and Bathroom ----- South - South West
Study room ----- South West
Stove room ----- North West
Drawing room ----- East North East
Bore well and hand pump ----- North East