It is a very nice place in Delhi. You can walk around the ruins and the lake, and also walk in the village, there are nice chic boutiques, for exemple a vintage shop, boutiques where you can buy old bollywood film posters.. The area is quite expensive as the indian upper class and the expat or tourits like to go there. But it is still nice to have an area like that, especially if you are exhausted ! There are also many good restaurants, with food from all the world : asian, italian, indian.. If you want to try a nice indian restaurant, you should eat for lunch or diner at the Gun Powder: you can eat on the terrace, there is a beautiful view of the lake, the food is not really expensive and excellent. In Hauz Khas Village you can find bars and clubs to go out during the night !