Delhi Development Authority [DDA] — Sewage problem

Address: 110034

I live in ap block pitampura the condition of dda market is very worse all drainage system has failed and the sewer is flowing backward filling the market space with human waste and other waste making difficult to walk also the houses near market area is also deteriorated by foul smell thus making us vulnerable to many diseases please look in to the matter as soon as possible i have also spoken to market pradhan but it was not useful