Delhi's Digital Records Crisis: What Officials, Experts and Key Figures Are Saying About Duplicate Image Replacement

Delhi's civic bureaucracy is sitting on a quiet but costly problem. Across multiple departments — from the Delhi Development Authority to the Municipal Corporation of Delhi — thousands of digitised records, heritage photographs and urban survey images exist in duplicate, triplicate or worse, clogging storage servers, slowing database retrieval and, in some cases, causing contradictory versions of the same official document to circulate simultaneously. The question of who is responsible for cleaning up this mess, and how, has moved from back-office IT meetings to the desks of senior planners.

The timing is not incidental. Delhi's Phase 4 Metro expansion, which spans corridors including the Janakpuri West–R.K. Ashram Marg and Tughlakabad–Aerocity lines, has required intensive geographic and structural imaging across dozens of heritage-sensitive corridors in areas like Mehrauli and Nizamuddin. When duplicate survey images enter the record system — sometimes through parallel uploads by different contractor teams — project managers have reported delays in approvals because approving officials cannot confirm which image is the authoritative one.

What Officials and Urban Technologists Are Saying

Senior figures within the Delhi Urban Shelter Improvement Board and the DDA's Geographic Information System cell have, in various public forums since early 2026, flagged the absence of a unified deduplication protocol. The problem is structural: different wings of the MCD digitised their ward-level property records under separate contracts between 2019 and 2023, often using incompatible metadata standards. That left the consolidated database, meant to serve as a single source of truth for property tax assessments along corridors like Chandni Chowk and Karol Bagh, riddled with redundant files.

Technology policy researchers at institutions including the Centre for Internet and Society, which has offices in the city, have argued in published analyses that without a formal duplicate image replacement framework — one that designates a primary file, logs the replacement action, and archives the superseded version rather than deleting it — Delhi risks violating its own records retention obligations under the Public Records Act, 1993. The concern is practical as much as legal: in heritage zones like Shahjahanabad, where the Archaeological Survey of India maintains parallel image repositories, conflicting digital records have already complicated restoration approvals at least twice in the past three years, according to published proceedings from MCD heritage committee meetings.

Data, Costs and What a Fix Would Actually Require

The scale of the problem is measurable. A 2024 audit of the Delhi State Spatial Data Infrastructure — a centralised platform managed under the Delhi government's e-District framework — found that roughly 18 percent of stored raster image files were exact or near-exact duplicates, according to documentation referenced in a subsequent Delhi Assembly Standing Committee on IT report tabled in March 2025. That translates to an estimated 40 terabytes of redundant data on government servers, carrying a storage and maintenance cost that the committee's report pegged at approximately Rs 1.2 crore annually.

Experts at IIT Delhi's Bharti School of Telecommunication, which has collaborated with civic agencies on smart city data projects, have publicly recommended a three-stage approach: automated hash-based deduplication to flag identical files, manual review by designated records officers for near-duplicates, and a mandatory replacement log accessible to all departments sharing the same dataset. The Delhi government's IT department, under the broader Digital Delhi Mission launched in 2022, has acknowledged the problem in at least one budget document but has not yet issued a formal circular mandating implementation.

For residents and small businesses, the downstream effects are real. Property owners in areas like Lajpat Nagar and Dwarka have described delays of several weeks in mutation certificate processing, partly because land record images uploaded during the MCD unification process in 2022 exist in multiple unresolved versions. The fix, technologists say, is neither technically complex nor prohibitively expensive — what it requires is a departmental decision about ownership and accountability. Until that decision is made and a standardised duplicate image replacement protocol is notified, Delhi's digital records will keep accumulating contradictions, one redundant file at a time.