Industrial Disputes Act, 1947 · Chapter VII: Miscellaneous
Section 33A: Special provision for adjudication as to whether conditions of service, etc., changed during pendency of proceedings
The Industrial Disputes Act, 1947 was repealed and replaced by the Industrial Relations Code, 2020 from 21 November 2025. It still applies to matters and proceedings from before that date, as the repealing law provides.
In plain words
A workman affected by an employer's breach of section 33 during pending proceedings can complain in writing to the authority hearing the dispute.
- A conciliation officer or Board takes it into account in the conciliation.
- An arbitrator, Labour Court or Tribunal decides it as if it were a referred dispute and makes an award.
A simplified explanation, prepared with AI assistance from the official text below and checked automatically against it for numbers and cross-references. The official text is the law and prevails over this summary. Not legal advice.
Official text
Where an employer contravenes the provisions of section 33 during the pendency of proceedings [before a conciliation officer, Board, an arbitrator, a Labour Court, Tribunal or National Tribunal], any employee aggrieved by such contravention, may make a camplaint in writing, [in the prescribed manner,—
(a) to such conciliation officer or Board, and the conciliation officer or Board shall take such complaint into account in mediating in, and promoting the settlement of, such industrial dispute; and
(b) to such arbitrator, Labour Court, Tribunal or National Tribunal and on receipt of such complaint, the arbitrator, Labour Court, Tribunal or National Tribunal, as the case may be, shall adjudicate upon the complaint as if it were a dispute referred to or pending before it, in accordance with the provisions of this Act and shall submit his or its award to the appropriate Government and the provisions of this Act shall apply accordingly.]]
Source: India Code (Legislative Department), the text of the Act as it stood before its repeal. Words in square brackets [ ] were inserted or substituted by later amending Acts, and *** marks words omitted by an amendment. The amendment footnotes are not reproduced here. Official text on India Code.
Supreme Court judgments citing the section 33A
- M/S Deutsche Lufthansa Ag v. Mr. Nayan Pahwa & Ors
- Central Council of Homoeopathy v. Vijay Singh
- Ms Dic India Ltd v. Mr Uday Chaudhary & Anr
- I.A.R.I v. Om Prakash & Ors
- General Manager, Electrical Rengali Hydro Electric Project, Orissa and Others v. Sri Giridhari Sahu and Others
- Rajasthan State Road Transport Corporation and Another v. Satya Prakash
- Tassadiq Hussain v. Mohd. Rashid Qureshi and Ors.
- Metropolitan Transport Corporation v. V. Venkatesan
- Gujarat Agricultural University v. All Gujarat Kamdar Karmachari Union
- Oil & Natural Gas Corpn. Ltd. v. Engineering Mazdoor Sangh
- Air India Ltd. and Ors. v. Vishal Kapoor and Ors.
- Public Services Tribunal Bar Association v. State of U.P. and Anr
- Sapan Kumar Pandit v. U.P. State Electricity Board and Ors.
- Blue Star Employees Union v. Ex. Off. Principal Secy. to Government and Anr.
- Indian Overseas Bank v. I.O.B. Staff Canteen Workers Union and Anr.
- C.P. Agrawal Etc. Etc. v. P.O. Labour Court and Anr.
- Crescent Dyes and Chemicals Ltd. v. Ram Naresh Tripathi
- Delhi Transport Corporation v. D.T.C. Mazdoor Congress
- Jitendra Singh Rathor v. Shri Baidyanath Ayurved Bhawan Ltd. & Anr.
- Workmen of M/S Hindustan Lever Ltd. & Ors. v. Management of M/S Hindustan Lever Ltd.
- Reserve Bank of India, Bombay v. C.T. Dighe and Others
- Surendra Kumar Verma Etc. v. The Central Government Industrial Tribunal Cum-Labour Court, New Delhi & Anr.
- G. T. Lad & Ors v. Chemicals & Fibres of India Ltd.
- Bhavnagar Municipality v. Alibhai Karlmbhai & Others
- D. C. Roy v. The Presiding Officer, Madhya Pradesh Industrial Court, Indore and Others
- Hindustan Lever Ltd. v. Ram Mohan Ray & Ors.
- Air India Corporation, Bombay v. V. A. Rebellow & Anr.
- Chairman, M/S. Brooke Bond India Pvt. Ltd. v. Chandra Nath Choudhary
- National Engineering Industries Lid. v. Hanuman
- The Tata Oil Mills Co. Ltd. v. K. v. Gopalan and Ors.
- Management of Murgugan Mills L1D. v. Industrial Tribunal Madras and Another
- State Bank of India v. Nanak Chand Jain
- Canara Banking Corporation Ltd. v. U. Vittal
- P. H. Kaly Ani v. M/S. Air France Calcutta
- Jaswant Sugar Mills Ltd., Meerut v. Lakshmichand and Others
- Delhi Cloth and General Mills Co., Ltd. v. Shri Rameshw Ar Dyal and Anr.
- Kalindi & Others v. Tata Locomotive & Engineering Co., Ltd.
- M/S. New India Motors (P) Ltd. New Delhi v. K. T. Morris
- The Bharatkhand Textile Mfg. Co. Ltd. & Others v. The Textile Labour Association, Ahmed Abad.
- Messrs. Kamarhatty Co. Ltd. v. Shri Ushnath Pakrashi
- S. K. G. Sugar Ltd. v. Sri Ali Hassan, Chairman, Industrial Tribunal, Bihar & Others