As part of its efforts to preserve the city's architectural fabric, DDA has identified six heritage zones and designated three archaeological parks in the Master Plan for Delhi, 2021.
"A separate chapter on 'Conservation of Built Heritage' has been included in the Master Plan, 2021, which envisions protection of civic and urban heritage, historic gardens and architecturally-significant historical landmarks, among others," Chief Architect of DDA, Vinod Dhar, told PTI.
The six zones identified are the specific heritage complexes within the Walled City of Delhi, Shahjahanabad; Lutyens Bungalow Zone; Nizamuddin and Humayun's Tomb complex; Mehrauli area; Vijay Mandal-Begumpur-Sarai Shahji-Lal Gumbad and Chirag Delhi, Dhar said.
"Besides, Mehrauli Archaeological Park, Tughlaqabad Archaeological Park and Sultan Garhi Archaeological Park have also been designated in the master plan," he said.
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The surveys conducted by DDA and INTACH have identified 1,208 historical monuments in Delhi of which 170 have been declared as protected sites by Archaeological Survey of India. In addition, the three MCDs, NDMC and the state archaeological department have also listed their own heritage buildings.
DDA's effort towards heritage conservation began only in 1993 with the urban authority naming an annual 'DDA Urban Heritage Award', which it offered till 1997. The award was aimed at encouraging the preservation of both public and private heritage buildings.
But, in 1999, it established a full-fledged Delhi Urban Heritage Foundation (DUHF) with the Lt Governor as its chairman, and the body instead started providing aid for preservation of heritage buildings.