The Delhi version of the biryani was developed with unique local flavours as Mughal Kings shifted their political capital to the North Indian city of Delhi. Till the 1950s, most people cooked biryani in their house and rarely air out. Each part of Delhi has its own style of biryani and offers based units original purpose thus giving rise to Nizamuddin Biryani, Shah Jehanabad Biryani etc. A non-dun style, using a lot of green chilies, variety of biryani popularised by Babu Shahi Bawarchi Shop located outside Nation Sports Club. Delhi is informally call Babu Shahi Biryani or Achari Biryani.