DPDP Data Inventory Builder — Map All Personal Data You Process

Why data mapping is the foundation of DPDP compliance

The Digital Personal Data Protection Act 2023 places accountability at its core. Section 8 requires Data Fiduciaries to process personal data only for specified purposes — and you cannot demonstrate compliance without first knowing what data you hold, where it lives, who can access it, and how long you keep it. A data inventory is not a one-time document; it is the living foundation every other compliance control rests on.

Without a complete data inventory, your consent notices will be incomplete (missing categories), your retention policies will be unenforceable (you won't know what to delete), your Data Principals' rights requests (access, correction, erasure under Sections 11–13) cannot be fulfilled within the statutory timeframe, and your breach notification to the Data Protection Board will be inaccurate.

What goes into a DPDP-compliant data inventory

A compliant data inventory maps four dimensions for each data category: (1) What — the specific personal data types collected, including whether any are sensitive (biometric, health, government IDs); (2) Where — every storage location, including third-party processors; (3) Who — roles and systems with access, with a least-privilege justification; (4) How long — a defined retention period tied to a legal basis, with an automated or documented deletion process.

The DPDP Act does not prescribe a specific retention period for most categories (unlike the Income Tax Act's 7-year rule for financial records), but it requires that data be retained no longer than necessary for the purpose it was collected. "Indefinitely" or "until further notice" are not compliant answers.