The redevelopment of the Central Vista envisages a new parliament building, a common central secretariat New Delhi: The government will set up a large ''Defence Enclave'' to house top defence brass and personnel under its ambitious Central Vista redevelopment project, official sources in the Union Housing and Urban Affairs Ministry said on Thursday. According to the sources, the vice president's house and its nearby buildings will be demolished to pave the way for constructing the defence enclave. The new residence of the vice president will come up near the North Block. At present, the defence minister, his deputy, defence secretary, Army chief, Navy chief as well as several three-star officers have their offices at the South Block.