Delhi Jal Board — Dirty water coming

Address:

Wz 111, Lajwanti Garden, New Delhi 10046

I am from Lajwanti Garden, New Delhi 110046, Many times dirty water is coming, like nale ka Ganda pani, quite black with very bad smell, we could not use, even we have to clean our tank also after coming that water, and it is quite frequent, today morning around 5 am, 30th April 2021 also that dirty water came. Kindly solve this problem, how without water we could survive. Thanks in advance for doing some help.