• Communicate and cooperate with similar bodies - National & International.
• Encourage cooperation between designers, affiliated professions, other artists and traders.

IIID believes in collaborating with Major Institute of affiliated professions to widen the horizons of its members such as The Indian Institute of Architects, Practicing Architects & Engineers association at various chapters. (Society of Lighting Engineer ISLE and Institute of HVAC Consultants ISHRAE). IIID also has close liaison with Council of Architects in New Delhi.