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Fire systems 17 min read

Fire alarm system in India: types (conventional vs addressable), components, where the code requires it, testing and cost

Updated By Flamekite Editorial DeskFacts checked against official sources on

Fire alarm system in India: conventional, addressable and wireless types, 10 components, where NBC Table 7 needs detection, IS 2189 spacing and prices.

Largest addressable zone
3,000 m²
2,000 m² for a conventional system (IS 2189 cl. 4.4.2)
System types 
Smoke detector spacing
7.5 m
Flat ceiling up to 7 m high; heat detectors 5.3 m (cl. 6.3.2.1)
Spacing numbers 
Call point within
30 m
Of travel from anyone, mounted 1.4 m above the floor (cl. 6.4)
Call points 
Optical smoke detector
Rs 1,632
Supplied, installed and commissioned; Maharashtra PWD CSR 2018-19, GST extra
Official rates 

Quick answer

A fire alarm system, or fire detection and alarm system, detects a fire automatically through smoke, heat or flame detectors, or manually through break-glass call points, and a control panel then sounds hooters across the building and shows where the alarm started; its three types are conventional, addressable and wireless. India designs it to IS 2189:2026, which caps a zone at 2,000 m² in a conventional system and 3,000 m² in an addressable one (cl. 4.4.2).

Under NBC 2016 Table 7, blocks of flats and schools from 15 m need a manual alarm, while hotels with floors over 300 m², hospitals, malls, offices and shops above 15 m, factories over 1,000 m² and warehouses over 250 m² need manual and automatic detection. Big hotels and Maharashtra apartments from 24 m add talk-back and public address.

Fire alarm system diagram: control panel, smoke detectors in every room, a heat detector in the pantry, a beam detector across the atrium, call points, sounders, response indicators, the fire-resistant cable loop, talk-back and interfaces
Fire alarm system diagram: the 10 parts on one loop in a three-storey building
  1. Fire alarm control panel
  2. Optical smoke detector
  3. Heat detector
  4. Beam smoke detector
  5. Manual call point
  6. Hooter or sounder
  7. Response indicator
  8. Fire-resistant cable
  9. Talk-back and public address
  10. Interfaces
Schematic, not to scale. Each number is a part explained on this page.

Fire alarm system code and key numbers at a glance

The Indian detection and alarm code, its status on 24 October 2026, and the numbers people ask for, each with its clause.
WhatThe ruleSource
StandardIS 2189:2026, Selection, Installation and Maintenance of Automatic Fire Detection and Alarm System, fifth revision, March 2026BIS, IS 2189:2026
ReplacedIS 2189:2008, withdrawn on 17 September 2026 after 6 months alongside the new editionBIS, IS 2189:2026
CoversPlanning, design, selection, installation and maintenance, from a few call points to addressable panels (cl. 1.1)BIS, IS 2189:2026
Product standardsDetectors, call points, sounders and power supplies follow the IS/ISO 7240 parts, such as Part 11 for call pointsBIS, IS 2189:2026
Panel locationIn the entrance lobby in plain view, never in a small lockable room or shaft (cl. 4.6)BIS, IS 2189:2026
Wireless systemsAllowed fully wireless or hybrid on licence-exempt bands such as 865 to 867 MHz (cl. 4.9)BIS, IS 2189:2026
Positive alarm sequenceUp to 180 seconds for trained staff to investigate before evacuation, only where the authority approves (cl. 6.3.2.9)BIS, IS 2189:2026
BIS mark for alarm productsNot compulsory: no Quality Control Order covered detectors, panels or alarms on 24 October 2026BIS, IS 2189:2026
Detection versus sprinklersThe foreword says automatic detection is no substitute for sprinklers or other extinguishing systemsBIS, IS 2189:2026
Life CPWD assigns a fire alarm system15 yearsCPWD Maintenance Manual

Types of fire alarm system: conventional vs addressable vs wireless

How the three system types differ under IS 2189:2026. The code allows all three; the building's size and the fire office decide.
OptionHow the panel locates a fireLargest zoneTypical usePoints to knowSource
ConventionalBy zone: the panel shows which circuit, not which device2,000 m², search distance 30 m (cl. 4.4.2)Small and medium buildingsMaharashtra's schedule rates price conventional, non-addressable items: a 2-zone panel Rs 16,632BIS, IS 2189:2026
AddressableBy device: each detector and call point reports its own address3,000 m², search distance 30 m (cl. 4.4.2)Large buildings, hospitals, hotels, campusesAllows positive alarm sequence and health monitoring options in the 2026 codeBIS, IS 2189:2026
Wireless or hybridRadio link to the panel, supervised like a wired loopAs for the wired type it replacesHeritage buildings, temporary structures, retrofits, large campuses (cl. 4.9.7)Maharashtra's circular 1420 of 16 October 2026 accepts it, but not in high-rise buildingsMFS circular 1420

Fire alarm system installation in 8 steps

  1. Read the Table 7 row

    Find whether the building needs a manual alarm only or manual and automatic detection, and whether talk-back and public address are added.

  2. Plan the zones

    Keep each zone within 2,000 m² (conventional) or 3,000 m² (addressable) and a 30 m search distance; stairwells, lift wells and shafts are separate zones (cl. 4.4.2).

  3. Choose detectors for each space

    Smoke or heat by the risk and ceiling height; beam or aspirating detectors above 10 m (cl. 6.3.3.1).

  4. Lay out detectors and call points

    Detector spacing by cl. 6.3, call points within 30 m of travel at 1.4 m (cl. 6.4), hooters at most 30 m apart (cl. 4.5.2).

  5. Get the layout approved

    Submit the detection drawings with the fire plan for the provisional approval your state runs.

  6. Install panel, cabling and power

    Panel in the entrance lobby (cl. 4.6); fire-resistant cable; mains supply with battery standby.

  7. Commission and test

    Operate every device, check fault signals on mains failure, run the general alarm for at least 5 minutes and voice systems for 15.

  8. Certify and get the final NOC

    The installer certifies the work (Form A by a licensed agency in Maharashtra) and the fire officer tests on site before the final NOC.

Fire alarm system components: 10 parts and what each does

Every system has devices that start an alarm, a panel that decides, and devices that warn people. The Maharashtra PWD schedule prices each of them as a separate item.

Fire alarm control panel
Receives signals, shows the zone or device, drives the sounders; sited in the entrance lobby in plain view (IS 2189 cl. 4.6). BIS, IS 2189:2026
Optical smoke detector
Senses smoke at the ceiling; spaced at up to 7.5 m on a flat ceiling up to 7 m high (cl. 6.3.2.1). BIS, IS 2189:2026
Heat detector
Senses temperature or its rise; spaced at up to 5.3 m on a flat ceiling up to 5 m high, and not used above 10 m (cl. 6.3.3.1). BIS, IS 2189:2026
Beam smoke detector
A light beam across a large space; the schedule lists 164 ft and 325 ft range models for large areas and passages. MH PWD CSR 2018-19, ch. 13
Manual call point
Break-glass or push device 1.4 m above the floor, within 30 m of travel from anyone (cl. 6.4). BIS, IS 2189:2026
Hooter or sounder
At least 75 dB(A) at the bed head with doors shut, never above 120 dB(A), at most 30 m apart (cl. 4.5.2, 4.5.3). BIS, IS 2189:2026
Response indicator
A remote indicator that repeats a hidden detector's operation where it can be seen; the schedule prices it as its own item at Rs 191. MH PWD CSR 2018-19, ch. 13
Fire-resistant cable
Armoured copper cable for detector loops; the schedule adds 7.5 percent for FRLS cable. MH PWD CSR 2018-19, ch. 13
Talk-back and public address
Two-way phones and speakers for staged evacuation, required with the manual alarm in hotels below 15 m with a floor over 1,000 m² (Table 7, Note 1). BIS, NBC 2016 Part 4
Interfaces
Sprinkler flow switches and the signal to the brigade or remote monitoring, which positive alarm sequence never inhibits (cl. 6.3.2.9.5). BIS, IS 2189:2026

How a fire alarm system works: from first smoke to evacuation

The path is the same in every system; an addressable panel simply names the device instead of the zone.

  1. 1. Detection or a call point

    A detector senses smoke, heat or flame, or a person breaks a call point within 30 m of where they stand. BIS, IS 2189:2026

  2. 2. Signal to the panel

    The panel shows the zone (conventional) or device (addressable) and sounds at a continuously attended point. BIS, IS 2189:2026

  3. 3. Optional investigation window

    With positive alarm sequence approved, trained staff have up to 180 seconds; a second detector or any call point ends it at once (cl. 6.3.2.9.3). BIS, IS 2189:2026

  4. 4. General alarm

    Hooters sound throughout at 75 dB(A) or more at the bed head (cl. 4.5.3); voice systems give staged messages. BIS, IS 2189:2026

  5. 5. Linked actions

    The panel signals the brigade or remote monitoring and the fire command centre in large buildings (cl. 4.7). BIS, IS 2189:2026

Which buildings need a fire alarm system under NBC 2016 Table 7

Table 7 has an alarm column marked manual, or manual and automatic, by occupancy and height. These rows were read off the printed pages.

Alarm under Table 7
Lodging house under 15 m, over 30 roomsManual
Flats and hostels under 15 mNone
Flats and hostels, 15 m to 60 mManual
Flats and hostels above 60 mManual and automatic
Hotel under 15 m, floor up to 300 m²Manual
Hotel under 15 m, floor over 300 m²; five-star hotelManual and automatic
School under 15 m; school 15 m to 24 mNone; manual
Hospital with beds above ground plus 2, or 15 m to 24 mManual and automatic
Assembly under 10 m up to 300 persons; above 15 mManual; manual and automatic
Mall with cinemas or food courtsManual and automatic
Office under 10 m; office above 15 mManual; manual and automatic
Shops ground plus one up to 500 m²; shops above 15 mNone; manual and automatic
Moderate hazard factory over 1,000 m²; warehouse over 250 m²Manual and automatic
Multi-level car parkManual only

Manual means call points and sounders; automatic adds detectors. The full rows with risers, sprinklers and tanks are on the NBC 2016 page. NBC 2016, Table 7

Which fire alarm detector for which space: smoke, heat, beam or flame

IS 2189:2026 clause 6.3 picks the detector by ceiling height and the place, not by price.

  1. IfAn ordinary room or office with a flat ceiling up to 7 m

    Point smoke detectors at up to 7.5 m spacing, sensing element 25 to 600 mm below the ceiling (cl. 6.3.2.1). BIS, IS 2189:2026

  2. IfA ceiling from 7 m to 10 m

    Smoke detector spacing drops to 5 m; heat detectors to 3.5 m between 5 m and 10 m (cl. 6.3.3.1). BIS, IS 2189:2026

  3. IfA ceiling above 10 m, such as a warehouse or atrium

    Beam or aspirating smoke detectors, or flame detectors; heat detectors are not allowed (cl. 6.3.3.1). Warehouses BIS, IS 2189:2026

  4. IfA corridor narrower than 2 m

    Smoke detectors up to 12 m apart, heat detectors up to 8 m (cl. 6.3.2.8). BIS, IS 2189:2026

  5. IfA false ceiling or floor void deeper than 800 mm

    Protect the void like a room; voids under 800 mm only if smoke can spread through them (cl. 6.3.2.6(j)). BIS, IS 2189:2026

  6. IfStairs, lift wells, shafts and lift machine rooms

    A detector at the top of each stair and on each main landing, each shaft its own zone (cl. 6.3.2.6, 4.4.2(e)). BIS, IS 2189:2026

  7. IfA factory

    The DGOSH Model Rule and Gujarat's rule 66-A want a manual alarm where over 500 persons work, or more than 25 above or below the ground floor, unless an automatic alarm is fitted. Factories Gujarat DISH

Fire alarm detector spacing and coverage numbers

Six numbers from IS 2189:2026 set the layout of most Indian detection systems.

  • 7.5 m

    Smoke detector spacing on a flat ceiling up to 7 m high (cl. 6.3.2.1) BIS, IS 2189:2026

  • 5.3 m

    Heat detector spacing on a flat ceiling up to 5 m high (cl. 6.3.2.1) BIS, IS 2189:2026

  • 100 m²

    At least 1 smoke detector for each 100 m² as a cross-check on the layout; 50 m² for heat (cl. 6.3.4) BIS, IS 2189:2026

  • 2,000 m²

    Largest zone, conventional system; 3,000 m² addressable (cl. 4.4.2(a)) BIS, IS 2189:2026

  • 300 m²

    Total building area below which one zone may cover more than one floor (cl. 4.4.2(b)) BIS, IS 2189:2026

  • 750 mm

    Clear radius kept below every detector, checked quarterly BIS, IS 2189:2026

Fire alarm manual call point and hooter placement: do's and don'ts

Call points and sounders are where most inspection remarks fall. IS 2189:2026 sets them in clauses 4.5 and 6.4.

Do

  • Mount call points 1.4 m above the floor (cl. 6.4(d)). BIS, IS 2189:2026
  • Keep every person within 30 m of travel of a call point, or 45 m where call points are also outside (cl. 6.4(b)). BIS, IS 2189:2026
  • Give a call point a side profile of at least 15 mm where it cannot be seen from the front (cl. 6.4(e)). BIS, IS 2189:2026
  • Fix wall hooters at least 2,290 mm above the finished floor and at most 30 m apart (cl. 4.5.2). BIS, IS 2189:2026
  • Reach at least 75 dB(A) at the bed head with doors shut in sleeping areas (cl. 4.5.3). BIS, IS 2189:2026

Don’t

  • Do not exceed 120 dB(A) anywhere people are (cl. 4.5.3). BIS, IS 2189:2026
  • Do not put the panel in a small lockable room or a shaft (cl. 4.6). BIS, IS 2189:2026
  • Do not fit wireless detection in a Maharashtra high-rise: circular 1420 of 16 October 2026 excludes it. MFS circular 1420
  • Do not test smoke detector sensitivity with an unmeasured aerosol dose; cl. 7.2.7 asks for a calibrated test. BIS, IS 2189:2026

Fire alarm talk-back, public address and voice evacuation in high-rise buildings

A plain hooter is not enough in tall or large buildings. Three instruments add voice systems on top of the alarm.

Fire alarm system commissioning and yearly test checklist

IS 2189:2026 clause 7 and Table 4 list the tests a competent contractor makes; use the same list at handover.

Fire alarm system maintenance checklist: daily to every 5 years

IS 2189:2026 splits upkeep between the user and a competent contractor; Maharashtra's July 2026 guidelines add longer cycles.

  1. Daily

    Panel shows normal; yesterday's faults logged and being fixed; panel not dead from a fuse, supply fault or switch-off. BIS, IS 2189:2026

  2. Weekly

    One device per zone tested, so no zone goes untested for more than 13 weeks. MFS Form B guidelines

  3. Every 3 months

    Detectors cleaned; log book reviewed, batteries and connections tested, a device in each zone and the sounders operated, 750 mm clear below every detector. BIS, IS 2189:2026

  4. Yearly

    Every smoke detector, heat detector and call point tested; general alarm for 5 minutes. BIS, IS 2189:2026

  5. Every 3 years

    Electrical installation of the system tested. MFS Form B guidelines

  6. Every 5 years

    Every device tested. MFS Form B guidelines

Fire alarm system price and cost: official item rates

Flamekite’s working from the official rules; no government publishes this figure.

The Maharashtra PWD Current Schedule of Rates 2018-19 prices conventional (non-addressable) alarm items, supplied, installed, tested and commissioned, GST extra. No official schedule read prices addressable items.

As published

Rates took effect on 12 September 2018 and apply to Maharashtra PWD works; a 4-zone panel works out at Rs 24,948 by the schedule's 25 percent rule. Current CPWD rates were not available to read.

Fire alarm faults that hold up a fire NOC

Each of these is a visible departure from IS 2189:2026 or the Table 7 row.

  • If Manual alarm only where Table 7 marks manual and automatic

    Add detectors; a hotel with floors over 300 m² or an office above 15 m needs both. NBC 2016, Table 7

  • If A zone larger than 2,000 m² on a conventional panel

    Split the zone, or move to addressable with its 3,000 m² limit (cl. 4.4.2). BIS, IS 2189:2026

  • If Panel in a locked electrical room

    Move it to the entrance lobby in plain view (cl. 4.6). BIS, IS 2189:2026

  • If Heat detectors under a 12 m roof

    Replace with beam, aspirating or flame detection above 10 m (cl. 6.3.3.1). BIS, IS 2189:2026

  • If Hooters inaudible in bedrooms

    Add sounders until 75 dB(A) is reached at the bed head with doors shut (cl. 4.5.3). BIS, IS 2189:2026

  • If No talk-back or public address in a 24 m Maharashtra apartment block

    Schedule-I Note 1 asks for both from 24 m. MH Act 2023 Schedule-I

Fire alarm myths that IS 2189 contradicts

Four common beliefs that the 2026 text and Table 7 do not support.

  • You may have read

    A fire alarm replaces sprinklers.

    Myth

    What the sources say

    The IS 2189 foreword says detection is no substitute for sprinklers or other extinguishing systems, and Table 7 asks for both in most larger buildings. BIS, IS 2189:2026

  • You may have read

    IS 2189:2008 is still the code.

    Myth

    What the sources say

    BIS withdrew it on 17 September 2026; IS 2189:2026 is the only edition. BIS, IS 2189:2026

  • You may have read

    Every apartment block needs smoke detectors.

    Myth

    What the sources say

    Table 7 asks for no alarm in flats under 15 m and a manual alarm only from 15 m to 60 m; automatic detection starts above 60 m. NBC 2016, Table 7

  • You may have read

    Detectors are compulsorily ISI marked.

    Myth

    What the sources say

    No Quality Control Order covered detection or alarm products on 24 October 2026. BIS, IS 2189:2026

Fire alarm requirement for 3 buildings: worked examples

Flamekite's reading of Table 7 and IS 2189:2026 in states that name NBC 2016. The fire service's reading prevails.

  1. Case 1

    A 25 m block of flats

    Group A-4, ground plus 7, no basement.

    What applies Manual alarm only: call points within 30 m of every flat door path and hooters at most 30 m apart. In Maharashtra, talk-back and public address are added from 24 m. NBC 2016, Table 7

  2. Case 2

    A ground plus 2 hotel with 600 m² floors

    Group A-5, 11 m.

    What applies Floors over 300 m², so manual and automatic: smoke detectors in rooms and corridors, a panel in the lobby, 75 dB(A) at each bed head. NBC 2016, Table 7

  3. Case 3

    A 2,800 m² single-floor warehouse with a 12 m roof

    Group H, ground floor only.

    What applies Manual and automatic detection. Above 10 m, beam or aspirating smoke detection; two conventional zones or one addressable zone of 3,000 m² or less. BIS, IS 2189:2026

What Flamekite could not confirm about fire alarm systems

Four claims seen on the web that no official text read on 28 October 2026 supports.

  • That NBC 2016 requires an addressable system above 45 m: Table 7 marks manual or automatic, not the panel type.
  • That hospital accreditation requires an addressable panel: no official text was read.
  • Official rates for addressable panels and devices: the Maharashtra schedule prices conventional items only.
  • HSN code and GST rate for alarm installation: not confirmed from a CBIC or GST Council notification.

Questions about fire alarm systems in India

What is a fire alarm system?

A system of detectors and manual call points wired or linked to a control panel that sounds hooters throughout a building and shows where the alarm started. In India it is designed to IS 2189:2026.

What are the types of fire alarm system?

Three: conventional, which shows the zone in alarm; addressable, which shows the exact device; and wireless or hybrid, which links devices to the panel by radio. IS 2189:2026 allows all three; Maharashtra does not accept wireless in high-rise buildings.

How does a fire alarm system work?

A detector senses smoke, heat or flame, or a person breaks a call point; the panel shows the zone or device, sounds hooters throughout the building and signals the brigade or remote monitoring.

What is the difference between conventional and addressable fire alarm systems?

A conventional panel shows which zone is in alarm; an addressable panel shows the exact device. IS 2189:2026 allows zones of up to 2,000 m² conventional and 3,000 m² addressable.

What are the components of a fire alarm system and their parts names?

A control panel, smoke, heat or beam detectors, manual call points, hooters, response indicators, fire-resistant cable, a battery standby and, in big buildings, talk-back and public address.

Which IS code applies to fire alarm systems?

IS 2189:2026, the fifth revision, published in March 2026. The 2008 edition was withdrawn on 17 September 2026. Products follow the IS/ISO 7240 parts.

Which buildings need a fire alarm in India?

Under NBC 2016 Table 7: a manual alarm in flats from 15 m and schools from 15 m; manual and automatic detection in hotels with floors over 300 m², hospitals, malls, offices and shops above 15 m, factories over 1,000 m² and warehouses over 250 m².

What is the height of a manual call point?

1.4 m above the floor, and no one should have to travel more than 30 m to reach one, or 45 m where call points are also fitted outside (IS 2189:2026, cl. 6.4).

How far apart are smoke detectors placed in a fire alarm system?

Up to 7.5 m on a flat ceiling up to 7 m high, 5 m for ceilings of 7 m to 10 m, and up to 12 m apart in corridors narrower than 2 m. Heat detectors go at 5.3 m.

How often should a fire alarm be tested?

The panel is checked daily, one device per zone weekly, detectors cleaned and batteries tested every 3 months, and every detector and call point tested yearly, with the general alarm run for 5 minutes.

What is the price of a fire alarm system in India?

It is priced per item. Maharashtra's PWD schedule for 2018-19 gives Rs 1,632 for a smoke detector, Rs 510 for a call point, Rs 596 for a hooter and Rs 16,632 for a 2-zone conventional panel, GST extra.

Are wireless fire alarms allowed in India?

IS 2189:2026 clause 4.9 allows fully wireless or hybrid systems on licence-exempt bands. Maharashtra's circular 1420 of 16 October 2026 accepts them but not in high-rise buildings.

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Sources

Each source was opened and read on the date shown. How Flamekite checks its sources

  1. Bureau of Indian Standards: IS 2189:2026, Selection, Installation and Maintenance of Automatic Fire Detection and Alarm System, Code of Practice (fifth revision), March 2026; free download after registration; clause numbers cited on the page (opens in a new tab)checked 26 October 2026
  2. Bureau of Indian Standards (BIS-licensed copy hosted by Nagpur Municipal Corporation): National Building Code of India 2016, Part 4, Table 7 Minimum Requirements for Fire Fighting Installations: every row, Groups A to J, and Notes 1 to 24, printed pages 41 to 51, read off the page images (opens in a new tab)checked 25 October 2026
  3. Public Works Department (Electrical Wing), Government of Maharashtra (copy hosted by Chhatrapati Sambhajinagar Municipal Corporation): Current Schedule of Rates 2018-2019 (in force from 12 September 2018), chapter 13 Fire Fighting and Fire Alarm System: items 13-1-1 to 13-10-3 (fire pumps, jockey and booster pumps, GI pipe, valves, hydrant valves, hose reels, hoses, branch pipes, fire brigade inlets, cabinets, conventional fire alarm, PA system and sprinkler items), rates per unit before GST, printed pages 223 to 231 (opens in a new tab)checked 28 October 2026
  4. Bureau of Indian Standards, Know Your Standards database: Status, publication and withdrawal dates of the fire standards named on /is-codes (IS 2190, 15683, 16018, 2189, 15105, 9972, 3844, 13039, 9668, 15301, 15908, 636, 884, 903, 5290, 9457, 3614, 11360, 2175 and others), read 24 October 2026 (opens in a new tab)checked 24 October 2026
  5. Central Public Works Department, Government of India: CPWD Maintenance Manual 2023: services not rendered by CPWD, plinth-area rates for electrical maintenance (Annexure 2A), use of indexed DSR or market rates, and life of fire alarm and wet riser systems (opens in a new tab)checked 25 October 2026
  6. Bureau of Indian Standards (BIS-licensed copy hosted by Nagpur Municipal Corporation): National Building Code of India 2016, Part 4: Table 7 rows (d) hotels (A-5) and (e) hotels (A-6) with Notes 1 to 15, clause 4.10.1 (Fire Officer for starred hotels) and clause 6.1.1.4 (Subdivision A-5), read off the page images (opens in a new tab)checked 25 October 2026
Show all 12 sourcesShow fewer
  1. Directorate of Industrial Safety and Health, Government of Gujarat: The Gujarat Factories Rules, 1963: rule 66 means of escape in case of fire and rule 66-A fire protection (inserted 15 February 1995), with Schedules I and II (opens in a new tab)checked 25 October 2026
  2. Maharashtra Fire and Emergency Services: Circular No. MFS-2026/1420, 16 October 2026: Wireless Detection System, under IS 2189:2026 clause 4.9 (number and date read from the page image) (opens in a new tab)checked 25 October 2026
  3. Government of Maharashtra (gazette copy hosted by Maharashtra Fire and Emergency Services): Maharashtra Fire Prevention and Life Safety Measures (Amendment) Act, 2023, substituted Schedule-I: minimum fire fighting installations for apartment houses (A-4) by height, with Notes 1, 4, 6, 10, 11 and 15 (read off the page images, pp. 13 to 15 and 32 to 34) (opens in a new tab)checked 25 October 2026
  4. Bureau of Indian Standards (copy hosted by Goa Directorate of Fire and Emergency Services): SP 7:2026 National Building Construction Standards 2026, Part F: Fire and Life Safety (opens in a new tab)checked 25 October 2026
  5. Maharashtra Fire and Emergency Services: Guidelines for Form B, Annexure A: to be followed by licensed agencies issuing Form B under section 3(3) and rule 4(2) (circular of 7 July 2026) (opens in a new tab)checked 25 October 2026
  6. Studio Matrx (consumer guide): Conventional vs addressable fire alarm in India (competitor page read for its section count) (opens in a new tab)News report · checked 28 October 2026
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