India, April 15 -- While the rest of Delhi has moved to a simpler, more transparent 'unit area method' of property tax calculation, the New Delhi Municipal Council on Tuesday once again asked residents to verify their house tax assessments and contest discrepancies under the old system, which is set for a phase-out.

The civic body has released its latest assessment list based on the rateable value method.

Even though Parliament has cleared the Jan Vishwas (Amendment of Provisions) Act, 2026, which enables NDMC to adopt the unit area method (UAM)-a system already in use across areas governed by the Municipal Corporation of Delhi since 2004-the NDMC is still in the process of switching over to the new system, officials said.

Under UAM, p...