Plant uploaded by Nabha ji as sweet Karela finally
turned out to be Cyclanthera pedata. I found it grown and sold in Manali. The
local people know it simply as Karela. My Bengali fiend says it is known to them
as Kakora. I am uploading some photographs.
The discussion in that thread also threw up Sechium
edule, whose photographs I had uploaded from California. It is sold in
California markets as Chayota squash. My Bengali friend was carrying the
fruit in his bag, calling it simply as squash.