Delhi Jal Board — Overflow seaver from last 15 days

Address:

New Delhi, Delhi, 110024

I am himanshu agrawal, i inform you to last two week a-block sewar was block the waste water is back to home. I complaint to sewar department last two week but no action properly. The main sewar is block & dirty water has bounce back in my office but no action please coporate with me & other our a-block houses persons
Area - defence colony, adress : a-308, lower ground flour