<answer>New Delhi</answer> has a population of 249,998. Hindi and Punjabi are the most widely spoken languages in <answer>New Delhi</answer> and the lingua franca of the city. English is primarily used as the formal language by business and government institutes. <answer>New Delhi</answer> has a literacy rate of 89.38% according to 2011 census, which is highest in Delhi.
What city in the territory of Delhi has the highest literacy rate?
New Delhi