Actor Rishi Kapoor has revealed that the mask and costumes from the 1970 Raj Kapoor starrer 'Mera Naam Joker' got burnt in the fire at RK Studios. "The costumes worn by every RK heroine, from Nargis to Aishwarya Rai Bachchan, is lost," added Rishi. He further said, "This was our father's legacy, and it was a treasure trove."