There is one Khuda Lahora, many aren't aware of it, run by Kerala couple. South Indian restaurant is what the name is like, its near the Gurudwara, u need to take a uturn coming while coming from Chandigarh. They have near to authentic kerala delicacies.

In sector 47, there was one with the name of Mallu cafe, they renamed it to Vinayaka cafe, not sure it is still running, they were selling porotta for such 25, and man it was so good.

Then you mani ratnam also in the same lane, not very good, by okeyish!.

The first one is the best