Guwahati Building ByelawsState Rules of Assam · 2010
Every building designed or used for human habitation shall be provided with bath rooms as follows:-
(i) A building or part thereof designed or used for occupation by separate families or containing separate apartment shall have one bathroom for each family or apartment.
(ii) A building designed or used for human habitation other than in separate apartments shall be provided with one bathroom or shower room to every closet.