Yes, most Indian restaurants in the UK are actually Bangali restaurants from the standpoint that they are run by individuals of Bangladeshi origin.

I tend to class Indian restaurants in the UK into four groups - First, your typical high street, post-pub crawl tandoori or balti place - standard, unremarkable food but does what it's supposed to - makes you sweat and reminds you of itself six hours later.

Next, the acceptable suburban tandoori restaurants where you will get a decent meal in a fairly clean environment and where the service will be ok, but not great.

This is followed by your authentic regional holes in the wall with absolutely delicious food that might be open late, located in places like Tooting, Brick Lane, Southall, etc. At these joints, salmonella, Clostridium perfringens and E. coli ride up and down the aisles on Harley's and vie for control of various parts of the restaurant while prostituting Campylobacter to Listeria monocytogenes.

Finally, at the top of the pyramid, you have your consummate classic Indian restaurants like Salloos, Bombay Brasserie, Zaika, Kundan, Rasoi, Gaslight (now Bombay Palace), etc. which will always be amongst the best eateries in the world.

I'm sorry Northants, but my analysis is very London-centric.