Bangalore Water Supply & Sewerage Board [Bwssb] — Im complaining about a block in a toilet near my construction building

Address: No 202/04, 5th cross , Rajivgandhi nagar, NTI layout, sahakarnagar post , Bangalore- 560092

I have a problem with the Sewage lines in a small constructed toilet near my construction building built for the labours
There is no outlet sewage pipeline accessibility for the waste to get disposed
And causing a lot of trouble for all the daily wage workers in my construction building