Sir: This letter is to bring in notice that the poor sewerage system in our area. People in our zone are suffering a lot due to the choked sewerage line. The stagnant water containing diseases and viruses as well as splashes all over. Due to the sewerage problem, we face unhygienic conditions in our colony. People are unable to move around because of the stinking smell. Moreover, the literal and polythene wastes are left which choke the sewerage system and cause overspill. These issues need immediate attention which requires appropriate steps taken by concerned authorities. I hope a solution to the sewerage problem in our colony. MISBAH JAVED Karachi