India, Oct. 26 -- The museum has a double bed. A cushiony gaontakiyan lies across it. On the walls are photographs by Nony Singh. This evening, three guests arrive at Nony's Vasant Vihar apartment. Her daughter, photographer Dayanita Singh, had WhatsApped earlier in the day: "Nony Singh museum invites you for a special preview (with dal chawal) at 7 pm." Dayanita and her mother lead the guests into a bedroom. A handwritten note on the door announces "NONY SINGH MUSEUM." Framed black-and-white photographs cover the walls. Most are Nony's photographs of her family. One series shows Nony's mother wearing Nony's father's clothes. Elsewhere, her sister sits on a chair, her sari regally spreading towards the floor. Nony, who recently turned 90, i...