Where can I find authentic Indian recipies for chicken curry. I had some while I was living in England and it?

Where can I find authentic Indian recipies for chicken curry. I had some while I was living in England and it was the best…any suggestions? ALso are there different types of spicy curry? Please explain…

Lamb Chops /Butter Chicken Curry Recipies?

I really feel like lamb chops. Also does anybody have any good recipies for butter chicken curry? Thanks