The Delhi Development Authority, under Section 6 of the Delhi Development Act, 1957 has been given the following Mission and vision :
"To promote and secure the development of Delhi according to the plan and for that purpose the Authority shall have the power to acquire, hold, manage and dispose of land and other property. to carry out building, engineering, mining and other operations to execute works in connection- with supply of water and electricity, disposal of sewage and other services and amenities and generally to do anything necessary or expedient for purposes of such development and for purposes incidental thereto."

In simple words, the Mission and vision of DDA, as ratified by the Act of 1957, lists the objectives of the Authority as:
To formulate a Master Plan for covering the present and future growth of Delhi and to promote and secure the development of Delhi according to the plan covering all the possible activities.

To acquire, hold, manage and dispose of land and other property. To carry out building, engineering, mining and other operations. And, to provide services and amenities incidental to the above.