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The Complete PNGRB Checklist Guide for Petrol, Auto LPG, and CNG Outlets

The Complete PNGRB Checklist Guide for Petrol, Auto LPG, and CNG Outlets

By
Vidhyut A
April 30, 2026
|
8 Mins
Table of Contents

If you are responsible for a petroleum retail outlet, Auto LPG station, or CNG dispensing station, staying PNGRB compliant is not just another administrative task. A missed inspection, an incomplete checklist, or an unsupported audit record can lead to non-conformities, regulatory scrutiny, and serious operational risk.

The challenge is that PNGRB compliance is spread across multiple schedules, annexures, inspection frequencies, audit requirements, and work permit formats. Whether you are searching for a PNGRB checklist, PNGRB audit checklist, or PNGRB T4S checklist, you are ultimately looking for the same thing: the complete set of inspections, audits, and safety records required under PNGRB's Technical Standards and Specifications including Safety Standards (T4S) Regulations.

This guide is the hub for every PNGRB checklist and annexure that applies to petroleum, Auto LPG, and CNG retail outlets. You will find an overview of all inspection formats, audit frequencies, TPIA requirements, work permits, and direct links to deep-dive guides for each annexure. You will also see how the full compliance stack can be digitized using a Clappia PNGRB audit checklist app with QR-based inspections, photo evidence, approvals, dashboards, and auto-generated audit reports.

Key Takeaways

  • "PNGRB checklist", "PNGRB audit checklist", and "PNGRB T4S checklist" are interchangeable terms for the inspections and audits mandated under the T4S Regulations.
  • The full checklist stack runs across three schedules: Schedule 1 (petroleum), Schedule 2 (Auto LPG), and Schedule 3 (CNG), each with its own annexures and frequencies.
  • TPIAs empanelled by PNGRB conduct independent Third Party Conformity Assessment audits and submit non-conformity sheets with mitigation measures and closure timelines.
  • A digital PNGRB checklist app digitizes every annexure with QR-tagged assets, photo evidence, GPS, signatures, work permit approvals, and auto-generated PDFs in the prescribed format.
  • Each annexure has a dedicated deep-dive guide linked in this hub.

What is the PNGRB checklist (also called PNGRB T4S checklist)?

The PNGRB checklist is the structured set of inspections, audits, and work permits the Petroleum and Natural Gas Regulatory Board mandates under its T4S Regulations for every retail outlet in India dispensing MS, HSD, Auto LPG, CNG, LNG, and LCNG. T4S stands for Technical Standards and Specifications including Safety Standards. The "PNGRB audit checklist", "PNGRB T4S checklist", and "PNGRB inspection checklist" all refer to the same prescribed formats.

The stack runs across three frequencies. Daily and weekly inspections by operating personnel under Annexure III. Annual safety audits by company-authorised persons under Annexure V. Three-yearly electrical audits by licensed agencies under Annexure IV. Layered on top: tank-truck decantation under Annexure VII, the work permit system under Annexure VI(a) and VI(b), and TPIA audits feeding directly into PNGRB's regulatory oversight.

Non-compliance carries teeth. PNGRB Section 8 makes the entity liable for penal action or termination of authorisation. A check that was done but cannot be evidenced is treated as not done.

Which annexures make up the PNGRB checklist?

This is the index. Every annexure below has a dedicated deep-dive guide, linked in the table.

AnnexureWhat it coversFrequencyDeep-dive guide
Sch. 1, Annexure IIIWeekly safety inspection of dispensing units, tank farm, fire equipment, housekeepingWeeklyPNGRB Annexure III weekly inspection checklist
Sch. 1, Annexure IVElectrical safety audit: zone-equipment match, earthing, insulation, protection, meteringOnce in three yearsPNGRB Annexure IV electrical audit checklist
Sch. 1, Annexure VAnnual safety audit: licences, tanks, pumps, building, electrical, tank lorryOnce a yearPNGRB Annexure V annual safety audit checklist
Sch. 1, Annexure VI(a)Work permit format for dealer or operator-issued activitiesPer jobPNGRB Annexure VI(a) operator work permit
Sch. 1, Annexure VI(b)Work permit for hot work, tank cleaning, hazardous area electrical workPer job, up to 45 daysPNGRB Annexure VI(b) hot work permit
Sch. 1, Annexure VIISafety checklist for tank-truck decanting at retail outletsEvery decantationPNGRB Annexure VII tank truck decantation checklist
Sch. 1, Annexure IHazardous zone classification around tanks, fill points, vent pipesDesign and auditPNGRB zone classification guide
Schedule 2Auto LPG dispensing station inspection: bulk vessels, dispensers, hose testsDaily, quarterly, annualPNGRB Auto LPG inspection checklist
Schedule 3CNG dispensing station audit: compressors, cascades, dispenser hosesDaily, quarterly, annualPNGRB CNG station audit checklist

Why is paper-based PNGRB compliance breaking down?

Every petroleum retail outlet, Auto LPG dispensing station, and CNG station that runs paper checklists pays a hidden tax. Photocopies, filing cabinets, courier costs between the outlet and the regional office, area-manager hours spent driving from outlet to outlet to spot-check Annexure III sheets, HSE team hours spent chasing missing pages before a TPIA audit.

Then there is what breaks first. Weekly checklists get backdated all at once on Friday evening. Fire extinguisher pressure testing dates get missed because nobody pings the dealer at the three-year mark. Earth pit resistance readings get recorded but never trended, so a slow drift toward unsafe values is invisible until the electrical audit flags it. TPIA non-conformity mitigation deadlines slip because the closure status sits in a sub-folder of someone's email.

None of this is dishonesty. It is what paper does to a multi-frequency, multi-stakeholder, multi-schedule system.

What fields does a PNGRB audit checklist app need?

The T4S annexures prescribe specific field types. A digital PNGRB checklist must capture:

  • Outlet identity: outlet code, address, dealer name, marketing company. Pulled from a master list dropdown, not retyped each time.
  • Inspector identity and credentials: name, employee ID, role, GPS coordinates of submission, digital signature, counter-signature from the dealer or authorised person.
  • Asset references: scannable QR or barcode codes on every dispenser, storage tank, fire extinguisher, transformer, DG set, hose, and vent pipe. Each scan auto-fills asset ID, last service date, and next due date.
  • Pass/fail toggles per checklist item: every line in Annexures III, IV, V, VII as a Yes/No toggle or rating, with conditional logic to demand a corrective action note when a "No" is selected.
  • Numeric readings: earth pit resistance (ohms), insulation resistance (mega ohms), illumination level (lux), neutral-to-earth voltage (V), tank pressure (kg/cm²), temperature (°C). Each field validated against the regulatory threshold.
  • Photo evidence: tag of every fire extinguisher, pressure gauge dials, dispenser hose condition, earth bonding wires, vent cap wire mesh, signage, any flagged non-conformity.
  • Document attachments: PESO licence copy, CCOE drawing, hose test certificate, cylinder retest certificate, calibration certificates.
  • Date and time stamps: auto-captured submission time, last service date, next due date, validity end date for permits and tests.
  • Work permit fields: activity type, contractor name, validity window, PPE checklist, gas test status, standby personnel, signatures from issuer, receiver, and contractor.

Clappia features mapped to PNGRB requirements

This is the feature-to-requirement map. Each field type above is built using a Clappia block, no coding.

PNGRB requirementClappia feature
Asset identification on every checkQR code and barcode scanner
Inspector physical presence proofGPS location block with auto-capture on form open
Inspector and dealer sign-offDigital signature block for both parties
Photo evidence of every non-conformityCamera and file upload block
Annexure VI(a) and VI(b) work permit routingApproval workflows with multi-level approvers
Audit PDF in the prescribed annexure formatPrint Settings templates with auto-filled variables, embedded photos, and signatures
Real-time alerts for critical findingsWhatsApp, Slack, email, and SMS workflow nodes
Compliance score across outlets and regionsLive dashboards with filters by outlet, region, annexure
Inspection at outlets with poor connectivityOffline mode by default on Android and iOS
Field-only mobile UX for inspectorsClappia mobile app with shift-friendly UI

Run the entire PNGRB checklist stack on one app.

Build your own template covering every annexure, with photo evidence, signatures, and dashboards.

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What goes into a digital PNGRB audit checklist setup?

A working setup covers the full T4S stack for petroleum, Auto LPG, and CNG retail outlets. The Clappia PNGRB audit checklist app brings all of the following together as a starting point you can customise to your network's specific habits.

What goes inside:

  • Annexure III weekly inspection module: every line item from the regulation, built as a mobile form with QR scanning, photo capture, and a non-conformity counter.
  • Annexure IV electrical audit module: full electrical safety audit covering statutory requirements, insulation, grounding, protection, metering, loose connections, and safety, with numeric validation on every reading.
  • Annexure V annual safety audit module: statutory licences section, tanks, pumps, building, electrical, and tank lorry checks. Sequential unique audit ID generated on submission.
  • Annexure VI(a) and VI(b) work permit modules: dropdown for activity type auto-routes the permit to the correct approver. Contractor sign-off captured digitally before work begins.
  • Annexure VII tank-truck decantation checklist: driver scans the truck QR code, the form pre-fills the vehicle registration and crew details, captures spark arrestor and earthing photos, and the dealer counter-signs before unloading.
  • Network compliance dashboard: outlet-wise, region-wise, annexure-wise compliance score. Open versus closed corrective actions. Upcoming due dates for fire extinguisher tests, cylinder retests, calibration certificates.
  • PDF templates: each annexure has its own Print Settings PDF that mirrors the regulatory layout, embeds photos and GPS, and stamps both signatures.
  • Workflow library: email, WhatsApp, and Slack notifications. Approval flows for permits. Reminder workflows for upcoming due dates.

Two real-world use cases

Case 1: An HSE compliance lead at an oil marketing company

A network HSE lead responsible for petroleum retail outlets across two states. Before going digital, the team courier-collected paper inspections every quarter, ran a manual sample audit on a fraction of outlets, and accepted the rest on trust.

After moving to a digital PNGRB template, every dealer submits the weekly Annexure III check from a phone with photos and GPS proof. The annual Annexure V audit runs as a longer module, and the three-yearly Annexure IV electrical audit triggers automatically based on the last submission date. A central dashboard shows the compliance score by outlet, region, and check category. When a fire extinguisher pressure test is due, the system fires an email and a WhatsApp message to the dealer. When an earth pit resistance drifts above the regulatory threshold, an approval task lands on the regional engineer's desk with the historical trend attached.

Case 2: A dealer at a CNG-petrol combo station

A dealer running a busy CNG dispensing station combined with a petrol retail outlet on a national highway. Schedule 3 requires daily inspections by operating personnel and twice-quarterly inspections by authorised personnel of the marketing company. The dealer has multiple attendants on rotation.

The shift in-charge opens the app, scans the QR code on each CNG compressor, dispenser, storage cascade, and dispenser hose, and runs through the daily checks. Photos are captured for any abnormality. At the end of every day, a Print Settings PDF goes by email to the dealer and to the area HSE officer at the marketing company. When a tank-truck arrives for decantation, the driver scans a vehicle QR, completes the Annexure VII checklist with photos of the spark arrestor and earthing, and the dealer counter-signs digitally before unloading starts.

FAQs

Is "PNGRB checklist" the same as "PNGRB T4S checklist"?

Yes. The T4S Regulations are the source document for every prescribed checklist and audit format. "PNGRB checklist", "PNGRB audit checklist", "PNGRB T4S checklist", and "PNGRB inspection checklist" are interchangeable terms referring to Annexures III to VII across Schedules 1, 2, and 3.

What is a TPIA in PNGRB?

A TPIA is a Third Party Inspection Agency empanelled by PNGRB to conduct independent Third Party Conformity Assessment audits. A TPIA team must consist of at least three disciplines, typically mechanical or electrical, safety, and operations or instrumentation. Their non-conformity sheets feed directly into PNGRB's regulatory oversight.

How often is the PNGRB audit conducted at a retail outlet?

Weekly inspections under Annexure III by operating personnel. Annual safety audits under Annexure V by a company-authorised person. Three-yearly electrical audits under Annexure IV by a licensed agency. Twice-quarterly inspections by authorised personnel of the marketing company. Per-decantation Annexure VII checks. Per-job work permits under Annexure VI(a) and VI(b).

Is a digital PNGRB checklist accepted by inspectors and TPIAs?

PNGRB requires records to be maintained and produced. It does not mandate paper. A digital app that captures the same fields as the prescribed annexures, attaches photo evidence, records GPS and signatures, and generates a PDF in the prescribed format is widely accepted, and is harder to fabricate after the fact.

Where do I start if my network has never digitized PNGRB compliance before?

Start with Annexure III (weekly inspection) at one outlet, because it runs most frequently and gives you data fastest. Add Annexure VII (tank-truck decantation) next, because that is the highest-volume event-driven check. Then add Annexure V (annual safety audit) and Annexure IV (electrical audit). Finally, layer in Annexure VI(a) and VI(b) work permits. Each guide linked above walks through the specific app for that annexure.

Ready to run the PNGRB checklist without paper?

Every retail network has its own habits. Your weekly inspection might add a check the regulation does not require because your insurer asks for it. Your work permit may have a fourth approver because your HSE policy is stricter than Annexure VI. Your dashboard might need slicing by territory manager because that is how your network is organised. A digital PNGRB checklist app should ship with the regulatory minimum, then flex for every one of those details.

Ready to run the PNGRB checklist without paper? Sign up for free and build your PNGRB audit checklist app on Clappia without writing any code. No credit card, no contracts, no risk, just results.

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