He served as the director of Calico Museum of Textiles in Ahmedabad and was one of the founder members, and former head, of Indian National Trust for Art and Cultural Heritage (INTACH).
[4] In a 1997 interview in The New York Times, Singh said about the Indian crafts community: "People assume that we will always have these craftspeople, but at the current rate of change, these skills may soon be a thing of the past.
[7][8] In 1985, he was the co-curator, along with Diana Vreeland, of the celebrated exhibition Costumes of Royal India, at the Metropolitan Museum of Art in New York.
[15] Between 1982 and 1992, Singh curated a series of seven exhibitions, titled "Vishwakarma" (Hindi for "all-creating", meaning the personification of the ultimate reality, and in the current context "master artisan"), which for the first time captured the diversity of Indian textile arts under one roof.
[3] The 1981 exhibition, which brought together textiles from every Indian state, travelled to London as part of the state-sponsored cultural programme Festivals of India.