Veg Gulati, situated on Pandara Road is the best option if you are looking to hog on some yummy, vegetraian North Indian food. Just in case, you are around India Gate (or you don't mind making a trip there), take out some time and head to Veg Gulati for a meal. With extra time, we obviously mean that you've to consider the waiting time also but, in the end, we feel it's all worth it (extra butter counts!).
I personally love their Dahi Ke Kebab, Malai Kofta, Dal Makhani, Chur-Chur Naan, Pudina Chaach, and my friends suggest, their gulab jamuns are too die for (I am not a dessert person, BTW). Although, I understand that it's one of the classic restaurants in the city, I also feel that their food is way too pricey.
Their Dahi Ke Kebab is priced at INR 550, Malai Kofta for INR 540, Dal Makhani for INR 475, Chur Chur Naan for INR 195 (without taxes).