Basement Zones: N, NNE, NE, E and ENE; Never S, SW or Brahmasthan
Build a basement only in the North, NNE, NE, East and ENE, or as a full basement that lets sun rays in; never in the South, South-West or the Brahmasthan.
N, NNE, NE, E and ENE; W and WNW only with the NE included