Bangalore Water Supply & Sewerage Board [Bwssb] — Underground drain blockage

BDS Nagar, K.Narayanapura, Bangalore-560077.
Drain blockage and overflow in 7th cross, even after repeatedly digging up and clearing. It appears to be a problem of very old pipelines are damaged and created a blockage. We are senior citizens suffering for the past two months. Please attend and give peace to us.