Fire safety norms for commercial buildings in India come mainly from the National Building Code of India 2016, Part 4, applied through each state's fire service law and building rules. They cover how people escape, how fire is detected and fought, and how the building itself contains fire through compartments, rated doors, sealed openings and protected structure. Owners must maintain all of it, not just install it.
Where fire safety norms come from
In India, these norms come from several layers that work together. At the base is the NBC of India 2016, published by the Bureau of Indian Standards. Its Part 4, Fire and Life Safety, sets out how buildings of different types and heights should be planned and protected against fire.
The NBC is a model code. It becomes binding when states adopt it through their own laws and rules: the state fire service act, building bye-laws and development control rules, and the requirements of the state fire department. Some states add local requirements on top. In Telangana, the fire department's approval process is explained in our guide to the fire NOC in Hyderabad.
Below the code sit Indian Standards for specific products and systems, such as fire check doors, sprinklers and alarm systems. And beyond the legal minimum, insurers and large tenants often set their own requirements.
What NBC Part 4 covers
Part 4 classifies buildings by occupancy, such as business, mercantile, assembly, institutional, residential and industrial, and sets requirements that depend on that use and on height and size. In broad terms it covers:
- Means of escape: number and width of exits and staircases, travel distances, refuge areas in tall buildings
- Construction: fire resistance of walls, floors and structure, and fire compartments
- Fire detection, alarm and fire fighting installations, depending on building type and size
- Access for firefighters, including open space around the building and fire lifts where required
- Smoke control in certain buildings
- Special risks such as electrical rooms, kitchens and basements
The detailed figures, such as how many staircases a building needs or how big a compartment can be, depend on the building. The fire consultant who prepares your fire drawings works these out for your case. Owners do not need to memorise the tables. They need to know what was approved and keep it that way.
Active and passive protection
Fire protection splits into two kinds that do different jobs.
Active protection needs to detect a fire and act: alarms that sound, sprinklers that open, pumps that start, people who use extinguishers. It is visible, testable and gets most of the attention.
Passive protection is built into the structure and works without being switched on. Compartment walls and floors keep fire in one zone. Fire doors close the openings people use. Fire stopping seals the holes services pass through. Intumescent coatings protect steel so it keeps its strength. We explain it in full in what is passive fire protection.
Both are needed. Sprinklers control many fires, but not every one, and they depend on water, pumps and power. Compartments buy time whatever else happens.
| Area | Examples | Usually checked by |
|---|---|---|
| Means of escape | Staircases, exits, signage, emergency lights | Fire consultant, fire service |
| Active protection | Alarms, sprinklers, hydrants, extinguishers | Active fire contractor, fire service |
| Passive protection | Compartments, fire doors, sealed openings, steel coating | Fire consultant, passive fire specialist |
| Management | Maintenance records, drills, training | Owner and facility manager |
What owners must keep working
Approval is a snapshot. The building keeps changing. Tenants fit out their floors, cables are added, air conditioning is upgraded, storage creeps into corridors. Each change can quietly break something that was compliant on approval day.
- Keep exits and escape routes clear, and fire doors closing and latching.
- Maintain and test active systems on the schedule their standards require.
- Control fit-out work so tenants do not cut through rated walls and floors without sealing them.
- Inspect shafts and ceiling voids after major works, and fix openings with tested systems.
- Keep records: drawings, test reports, maintenance logs, and photographs of passive fire work.
- Renew approvals where the rules require it for your building.
Fit-outs: where compliance is usually lost
In multi-tenant commercial buildings, most passive fire damage happens during tenant fit-outs. The building was compliant when handed over. Then each tenant's contractor runs data and power cables, adds air conditioning units, and installs server racks, cutting through compartment walls and floors as they go.
Building owners can prevent much of this with a simple fit-out rule: any opening through a rated wall or floor must be sealed with a tested system and photographed before the tenant's contractor is signed off. A quick check of shafts and ceilings at the end of each fit-out catches the rest. For a practical list, see our audit checklist.
Where we fit, and where we do not
We are passive fire protection specialists. We seal shafts and penetrations, apply intumescent coatings, install fire sealants and fire pillows, and audit what is already in place, with photographed records. We do not prepare fire drawings, apply for approvals or service active fire systems. If you own or manage a commercial building and want to know whether its fire-resisting walls, floors and doors still match the norms, talk to our team.
NBC 2016, Part 4, Fire and Life Safety, published by the Bureau of Indian Standards. Telangana fire approvals: fire.telangana.gov.in. Rules and portals change, so always confirm the current requirement for your building. Last reviewed 26 October 2026 by the Simfy Firesys team.
