Delhi Development Authority [DDA] — Neither parking rate board nor contractor detail available

Address: 110075

At Dwarka sector 10 metro station dda parking there is neither parking board nor contractor details available .
I tried to get information about it but no body told me about the contractor. but they demand Rs. 40
Today i tried to contact your customer care no [protected] but they didnt give me solution and gave me telephone no. of chief engineer[protected].
i called to chief engineer he just give me another no of Mr. Rawat [protected].
Finally Mr. Rawat give assurance to physical checking of site, but when ? no answer.
I want to know that is Dwarka sector 10 parking is authorised ? But till now i dont receive the answer. and m, ay you upload the current list of dda parking with rate list.