The art of careful decoration of interior of a room is called interior decoration. Attractive decoration of office rooms adds to the appearance of the office rooms and bears a psychological effect’ on the people working in it Interior decoration involves.

(a) Making tasteful colouring of walls, doors and windows.

(b) Fixing attractive objects, informative charts and paintings on the walls;

(c) Deciding proper floor covering, curtains and wall hangings. Pleasant and good office surroundings are conducive to good office work and as such interior decoration has a noticeable effect upon the morale of the office staff. Office colour should be green because it symbolises the state of cooling and relaxing. Deep colours are oppressive, red and yellow colours state warming and stimulating. The curtains of office rooms should be of pleasing colour.