Due to his interest in preserving traditional Iranian crafts, he spent several years working on the revitalization of traditional weaving in Iran; Isfahan silk, "Oskou" (the weaving technique), "Qalamkar" (fabric printing), "Cheshmé douzi" of Isfahan, and "Souzan douzi" (needlework embroidery) of Baluchistan, with the help of Iranian fashion designer, Mehr Monir Jahanbani.

The result of this particular attention was that, for 13 years, he was the creator pro bono, volunteer, and unpaid, of the official wardrobe of and the royal family, playing an essential role in the revival of Iranian crafts and fabrics.

In 1969, he also voluntarily designed and built a library for the Kanoun-e-Parvaresh Fekri Koudakan va Nojavanan [the Center for Intellectual Development of Children and Adolescents] in the Gowd-e-Zanbourk Khouneh neighborhood (a popular area in Tehran).

Since moving to Paris in 1978, a year before the Islamic Revolution in Iran, Khosrovani has continued his cultural activities to promote Iranian heritage.

During his exile, he agreed to contribute voluntarily as an architect to the "Persian Shabestan" project in the Great Mosque of Paris (a historical monument from 1924), at the request of the Embassy of the Islamic Republic of Iran.