[patched]: Iservice.tatapower.com

If money is deducted but bill shows unpaid, wait 30 minutes and refresh. If still pending, use the “Dispute this transaction” link – Tata Power reconciles within 3 working days.

For customers with smart meters (AMI – Advanced Metering Infrastructure), iService unlocks advanced features: iservice.tatapower.com

Tata Power’s iService is integrated with a centralized grievance redressal mechanism compliant with Maharashtra Electricity Regulatory Commission (MERC) and Delhi Electricity Regulatory Commission (DERC) norms. If money is deducted but bill shows unpaid,

You might be entering the wrong ID type. Tata Power Mumbai uses an 11-digit number starting with "1". Tata Power Delhi uses a different format. Fix: Check your physical bill for a label called "K Number" or "Service Number." Try removing the leading zero if one exists. iservice.tatapower.com