We were in Delhi for two days and went to Ambience mall for shopping. We were looking for some snacks in the evening. Now, I had heard about Haldiram's, but, was surprised to see it completely packed on a monday evening.
The food is really awesome. They don't serve Non-veg, but I am sure, you would still like it.
Paid Rs. 600/- for evening snacks (which was later counted as dinner) for 12 people.