They said the decision was taken after examining the case over a period of time.
"We have cancelled the lease of a DAV school located in east Delhi. It was found that civil construction work was done on a playground which prompted the decision," a source in the DDA said.
He said the Delhi Development Authority (DDA) was committed to the welfare of school children.
"We had alloted that plot for a playground for children and not for carrying out concrete construction," the source added.
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