I tried Zana, but when I got to the payment bit, they said they don't accept International Cards - whatever that means. The one from Ebay was from India as well, but that's not going well. They still haven't sent it. Am now in discussion with Ebay to get my money back.
TEC bike parts in the UK say they are making a rack, and it will be ready for sale in June. They post on youtube, and the chap seems straightforward, so I'll wait for that.