Dear @Jitendra_Chauhan,
To report a sewer blockage in Noida Sector 128, you can contact the Noida Authority’s Noida citizen Helpline at +911202425025 or +911202425026.
WhatsApp: Message on +919205559204
You may also visit their official website for further assistance or to lodge an online complaint:
If the issue persists, you can escalate it by visiting the local Noida Authority office for faster resolution.
If still need help, reply to us.