• International Centre for the study of the Preservation and Restoration of Cultural Property , (ICCROM), Rome
• International Council of Museums (ICOM-CC)
• Stichting Restauratie Atelier Limburg (SRAL), Maastricht, the Netherlands
• Metropolitan Museum of Arts (MMA), New York
• The Andrew W. Mellon Foundation
• CRC, Paris
• Cultural Heritage Agency of the Netherlands
• National Research Laboratory for Conservation of Cultural Property (NRLC)
• National Museum Institute (NMI) , New Delhi
• National Metallurgical Laboratory (NML), Jamshedpur
• Delhi Institute of Heritage Research & Management (DHIRM)