AI detects 6.41 lakh property tax anomalies in Bengaluru drive

AI-powered audit flags lakhs of mismatches

Bengaluru's property tax records have come under a robotic scanner. The city's Special Intensive Revision (SIR) drive, powered by artificial intelligence, has detected 6.41 lakh anomalies in the tax database. The figure was revealed by officials overseeing the initiative, which aims to plug revenue leaks caused by underreporting and misclassification.

The AI model cross-referenced existing tax declarations with satellite imagery, building plan approvals, and utility connection data. It found thousands of properties where the built-up area, land use, or number of floors did not match what owners had declared. In many cases, commercial properties were listed as residential, leading to lower tax outflows.

How the system flagged irregularities

Bruhat Bengaluru Mahanagara Palike (BBMP) deployed the AI tool as part of a broader effort to modernise tax collection. The software compared digital land records, known as 'Bhoomi' data, with property tax returns filed over the past five years. It also analysed high-resolution aerial photographs to spot unauthorised constructions or extensions that were never reported.

Officials said the system could detect patterns that human auditors might miss. For instance, a property showing a small built-up area but a high water or electricity bill would be flagged automatically. Similarly, properties in prime commercial zones but taxed at residential rates triggered alerts.

Notices and verification process

BBMP has begun issuing show-cause notices to property owners whose records were flagged. Owners will have to provide documents such as sanctioned building plans, occupancy certificates, and recent tax receipts. If the discrepancies are not resolved, the civic body may reassess the tax and levy penalties.

A senior BBMP official said the drive is not meant to penalise honest taxpayers but to correct systemic underreporting. “We are giving people a chance to voluntarily correct their records,” the official added. The verification will be done zone-wise, starting with areas that have the highest number of flagged anomalies.

Revenue impact and next steps

The 6.41 lakh anomalies represent a substantial chunk of Bengaluru's 22 lakh-odd assessable properties. If even half of these result in revised tax demands, the BBMP could recover hundreds of crores in unpaid dues. The civic body has set a target of completing the verification process within six months.

Property tax is the BBMP's single largest source of own revenue, funding everything from road repairs to garbage collection. The SIR drive, combined with the AI audit, is expected to boost collections without raising tax rates. However, officials caution that the process will take time, and not every flagged anomaly will lead to a revised bill.

Going forward, the BBMP plans to make the AI audit a permanent feature of its annual tax assessment cycle. Property owners who have been underreporting may want to review their declarations before the next round of notices arrives.