Delhi Development Authority [DDA] — illegal construction on maidan garhi khasra no - 69, 70

Address: MAIDAN GARHI, OPPSITE GOVERMENT SCHOOL, NEW DELHI - 110068, 110068

Dear sir,
Their is a huge illegal construction on dda acquire land in maidan garhi, new delhi, khasra no -69.70, opposite govt school. On this property government have already done 4 times demolition. Now their is no control of local police and conserned authorities.
Now local builder continuously selling property
Request you please take stick action on this land.