Rule 29: Artificial Humidification
Reviewed by Finin2min Editorial Desk · Last reviewed 30 August 2026
Rule 29 — Governs artificial humidification and the rights, duties, powers or procedure expressly stated in this rule. Key operative text: The employer of every belowground mine shall ensure that:- (i) in respect of any belowground mine or part thereof, tests for determining the relative humidity of the air is carried out and recorded and if humidity level of the…
Occupational Safety, Health and Working Conditions (Central) Rules, 2026 were finally notified under G.S.R. 345(E), 8 May 2026. The Central Rules must be read with the Code and any later amendment/corrigendum.
Finin2min analysis — operative rule mechanics
Operative clauses
- The employer of every belowground mine shall ensure that:- (i) in respect of any belowground mine or part thereof, tests for determining the relative humidity of the air is carried out and recorded and if humidity level of the air is found to be harmful to the health of employees, is artificially regulated in such a manner that humidification and temperature do not cause any discomfort to employees;
- (iv) employees are trained to recognize symptoms which may lead to heat stress.
Provisos / explanations
- No proviso/explanation was separately extracted from this rule.
Thresholds & timelines
- No explicit day/month/year/hour/percentage/rupee expression was detected in this rule text.
Mapped Code sections
Full notified text — Rule 29
29. Artificial Humidification.- The employer of every belowground mine shall ensure that:-
(i) in respect of any belowground mine or part thereof, tests for determining the relative humidity of
the air is carried out and recorded and if humidity level of the air is found to be harmful to the
health of employees, is artificially regulated in such a manner that humidification and temperature
do not cause any discomfort to employees;
(ii) the water used for the purpose is taken from public supply or other source of drinking water or is
purified before it is so used;
(iii) instruments for measurement and recording of humidity and temperature at appropriate locations
are provided and maintained by the employer;
(iv) employees are trained to recognize symptoms which may lead to heat stress.
C. BUILDING OR OTHER CONSTRUCTION WORKApplication and evidence
- Primary statutory test — The employer of every belowground mine shall ensure that:- (i) in respect of any belowground mine or part thereof, tests for determining the relative humidity of the air is carried out and recorded and if humidity level of the air is found to be harmful to the health of employees, is artificially regulated in such a manner that humidification and temperature do not cause any discomfort to employees;
- Additional operative limb — (iv) employees are trained to recognize symptoms which may lead to heat stress.
- Code Section mapping — 23. Read the mapped provision together with this text rather than treating the concordance as a substitute for it.
- Evidence file — retain facts and records proving the role/status of: Employer, Employee / worker.
Cross-references & prescribed forms
Sections cited/mapped
Forms
No form is directly mapped in the current rule register.
Worked example
For an establishment affected by artificial humidification, the compliance owner should identify the applicable sector and authority, document the prescribed control/notice/record and retain inspection or training evidence. A text point to test is: “The employer of every belowground mine shall ensure that:- (i) in respect of any belowground mine or part thereof, tests for determining the relative humidity of the air is carried out and recorded and if humidity level of the air is found to be harmful to the health of employees” Reconcile the mapped Code Section(s) 23.
Illustrative only. Use the exact notified rule, prescribed form and competent authority.
Q&A — Rule 29
What is Rule 29 of the Occupational Safety, Health and Working Conditions (Central) Rules, 2026?
Rule 29 — Governs artificial humidification and the rights, duties, powers or procedure expressly stated in this rule. Key operative text: The employer of every belowground mine shall ensure that:- (i) in respect of any belowground mine or part thereof, tests for determining the relative humidity of the air is carried out and recorded and if humidity level of the…
What does Rule 29 require or permit?
A principal operative clause extracted from the notified rule is: “The employer of every belowground mine shall ensure that:- (i) in respect of any belowground mine or part thereof, tests for determining the relative humidity of the air is carried out and recorded and if humidity level of the air is found to be harmful to the health of employees, is artificially regulated in such a manner that humidification and temperature do not cause any discomfort to employees;” Read it with all sub-rules and provisos below.
Does Rule 29 contain a proviso or explanation?
No standalone proviso or explanation was extracted from this rule text. Check the complete rule below for clause-level conditions.
What deadline, period, percentage or amount appears in Rule 29?
No explicit day/month/year/hour/percentage/rupee expression was detected in this rule text.
Which Code sections are linked to Rule 29?
The current concordance maps Rule 29 to Section(s) 23.
When did Rule 29 come into force?
The final Central Rules were notified as G.S.R. 345(E), 8 May 2026; Rule 1 states that the Rules come into force on publication. Check any later amendment or corrigendum before reliance.