Dargah of: Khwaja Nizamuddin Auliya
Dedicated to one of the most famous Sufi saints of India, this one is visited by people from all over the world. We say, make a pit-stop at the bazaar right outside where you can buy chaadars and flowers as offerings. They also have qawwali on Thursday evenings and you can find more that here or here.
Nearest metro station: Jangpura (yellow line)