Bengaluru: The number of property-tax revision cases in Bengaluru has risen to 37,216, highlighting the scale of the ongoing exercise to identify properties where tax assessments may not match the actual built-up area or property details.

The revision exercise is part of the city administration’s efforts to improve property-tax collection and strengthen its own-source revenue. Authorities have increasingly turned to technology, including GPS, Geographic Information System (GIS) mapping and digital property records, to identify discrepancies and revise tax assessments.

Property tax revision cases increase

The rise in cases to 37,216 indicates the extent of scrutiny being carried out across Bengaluru. Property owners whose tax assessments are revised may be required to pay additional tax based on the revised assessment.

The exercise is aimed at identifying properties where the tax paid may not correspond with the actual size or use of the property. Such discrepancies can arise when the built-up area declared for tax purposes differs from the measurements recorded during field verification.

The city administration has been using technology-assisted surveys to improve the accuracy of property records. Bengaluru’s civic bodies have also been working towards integrating property information with other government databases.

Technology being used to identify discrepancies

GIS and GPS-based systems have become an important part of the property-tax revision process.

The 2026-27 budget documents of Bengaluru’s city corporations state that property-tax revision and supervision are being undertaken through automation and GIS-based systems. The Bengaluru East City Corporation, for instance, has proposed linking its GIS-based e-khata property-tax system with databases of BESCOM, BWSSB and Kaveri. The corporation expects these measures to generate additional annual property-tax revenue of about Rs 150 crore.

The Bengaluru Central City Corporation has also stated that GPS-based property-tax revision has contributed to an increase in tax collection. Its budget documents provide for digital monitoring and E-PID numbers for properties within its jurisdiction.

These systems are intended to reduce dependence on self-declared property information and help authorities obtain a more accurate picture of properties across the city.

Notices and revised assessments

Property owners affected by a revision are generally required to examine the revised assessment and respond through the prescribed process if they believe the assessment is incorrect.

Earlier reports on the wider property-tax revision exercise indicated that notices had been issued to property owners where authorities found discrepancies between declared and measured building areas. In one such exercise, authorities used GPS, drones and door-to-door surveys to collect property data.

The revision process can result in additional tax liability where authorities determine that a property has been under-assessed.

For property owners, the issue is therefore not only about the immediate tax demand but also about ensuring that the measurements and property details recorded by civic authorities are accurate.

Push to improve Bengaluru’s tax revenue

Property tax is one of the major sources of revenue for Bengaluru’s civic administration. Improving assessment and collection has become increasingly important as the city requires more resources for roads, drainage, waste management, public infrastructure and other civic services.

The use of technology is intended to help authorities widen the tax base and reduce revenue leakage. Digital property databases can also make it easier to identify properties that may have been missed or incorrectly assessed.

The Bengaluru Central City Corporation’s 2026-27 budget, for example, targets property-tax collection as part of its broader effort to strengthen its financial position. It has also introduced E-PID numbers and an online system for e-khata services.

Similarly, the Bengaluru East City Corporation has proposed further expansion of its property information systems, including 3D modelling of commercial and high-rise buildings and the use of artificial intelligence-based systems.

What the increase means for property owners

The growing number of revision cases means more property owners could come under scrutiny as the technology-driven assessment expands.

Owners who receive a revised assessment or notice are expected to verify the property measurements, classification and other details used to calculate the tax. If there is an error, they can use the applicable civic-authority process to seek correction or raise an objection.

The exercise also underlines the importance of keeping property records, khata details and tax payments updated.

As Bengaluru’s civic administration moves towards greater integration of GIS, e-khata, electricity, water and registration data, property-tax assessment is increasingly being linked to digitally available information rather than relying only on traditional records.

Conclusion

The rise of Bengaluru property-tax revision cases to 37,216 reflects the city’s continuing effort to improve tax assessment and collection through technology-based property surveys. With GIS, GPS and integrated digital records being expanded, more properties could come under detailed scrutiny as civic authorities seek to strengthen revenue collection.