Municipal Corporation — sewerage problems

Address:

House number 522, sector 10a, gurgaon, 122001

Sir,
My name is rakesh kumar sharma house number 522 sector 10a gurgaon. There is sewerage blocked for last 5 days. Please send machine for cleaning.
Sewerage blocked due to which public are very disturbed. Please take immediate action for cleaning sewerage line.
I have already complain by phone but no any action. So i request you pls take action immediately.