not that I have ever had. It tends to be a standard veg curry.
regards
barry
The biryani veg curry contains onions, green pepper, potato, carrot, cabbage... which is a cooked base gravy before it has been blended...
I doubt that BIR bother to boil cabbage etc. separately to make a veg curry. It is logical that they would instead just use a ladle of the unblended base gravy.
I have just eaten a biryani based upon my theory and finally after many years of trying I actually nailed that BIR taste.
I made the base gravy with onions, potato, carrot, and white cabbage. I used a ladle of it to make a veg curry before the base was blended. It works!
I have taken a few photos here:
http://www.curry-recipes.co.uk/curry/index.php?topic=8980.0