Cast Iron Products
Cast iron/ductile iron Drainage Pipes & Fittings
Strategic Recommendations for Cast Iron/Ductile Iron Drainage Pipes & Fittings (IS 1729:2002)
- Begin BIS Certification Immediately
Manufacturers must complete BIS certification well ahead of deadlines. Large units must comply by 1 September 2024, while small and micro units must meet 1 December 2024 and 1 March 2025 deadlines respectively. - Consult Compliance Professionals (ERA)
ERA’s compliance experts can support in preparing documentation, coordinating BIS-recognized lab testing, and ensuring embossing of ISI marks on pipes and fittings. - Reach Out for Support
📧 cs@eraglobal.co.in | 📞 +91 9599296331 | 💬 WhatsApp
For help with QCO exemption filings, BIS licensing, and audit preparedness. - Track QCO Amendments & Exemptions
Stay updated on government circulars and amendments related to MSME exemptions and R&D import provisions. ERA newsletters provide regular updates. - Ensure Marking & Declarations
All drainage pipes and fittings must carry embossed ISI marking and a valid BIS licence number. Any exempted stock or R&D imports must be declared and documented to prevent enforcement issues.

Section | Details |
---|---|
Product Name | Cast iron/ductile iron drainage pipes and pipe fittings for over ground non-pressure pipelines socket and spigot series. |
Applicable Indian Standard (IS) No. | IS 1729:2002. |
Title of Indian Standard | Cast iron/ductile iron drainage pipes and pipe fittings for over ground non-pressure pipelines socket and spigot series. |
Quality Control Order | Cast Iron Products (Quality Control) Order, 2024 (supersedes Cast Iron Products QCO, 2023). |
Notification & Amendments | S.O. 2287(E), dated 13 June 2024; superseded order: S.O. 3806(E), dated 24 August 2023. |
Final Enforcement Date | General: 1 Sep 2024; Small Enterprises: 1 Dec 2024; Micro Enterprises: 1 Mar 2025. |
Objective & Scope | To ensure durability, safety, and conformity of CI/DI non-pressure drainage pipelines and fittings by mandating BIS certification under IS 1729:2002. |
Products Covered | Cast iron and ductile iron socket-and-spigot drainage pipes and pipe fittings for over ground non-pressure pipelines. |
Exemptions | (a) Products meant for export, (b) Udyam-registered very small units with ≤ ₹25 lakh investment and ≤ ₹2 crore turnover (CA-certified), (c) Imports ≤ 200 kg/year for R&D (scrapped after use; year-wise records kept). |
Industries Impacted | Foundries and DI pipe manufacturers, civil & mechanical contractors, sewerage and drainage infrastructure EPCs, water utilities, municipal bodies. |
Mandatory Compliance | Conformity to IS 1729:2002 with ISI marking under a valid BIS licence as per Scheme-I of BIS (Conformity Assessment) Regulations, 2018. |
Next Steps for Stakeholders | Apply for BIS licence, complete testing, emboss ISI mark on pipes/fittings and packaging, document exemptions, align procurement and tender eligibility. |
Legal Framework Provision & Enforcement | Enforced under BIS Act, 2016. BIS is the certifying authority; violation punishable under the Act. |
Penalties for Non-Compliance | • Seizure of non-compliant goods • Suspension or cancellation of licence • Fines or imprisonment up to two years, or both |
Conclusion | ISI-marked BIS certification is mandatory for all CI/DI drainage pipes and fittings under IS 1729:2002 from phased deadlines. The 2024 QCO replaces the 2023 order. |
References / Annexures | Cast Iron Products (QCO), 2024 – S.O. 2287(E) (13 Jun 2024); Cast Iron Products (QCO), 2023 – S.O. 3806(E) (24 Aug 2023). |
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Notification
Cast iron and ductile iron drainage pipes and fittings (socket and spigot series) have been notified under the Cast Iron Products (Quality Control) Order, 2024, issued through S.O. 2287(E) dated 13 June 2024 by DPIIT under the BIS Act, 2016. This supersedes the earlier 2023 QCO (S.O. 3806(E) dated 24 August 2023).
Enforcement Timeline
 Compliance deadlines are phased:
- All Manufacturers (General) – 1 September 2024
- Small Enterprises – 1 December 2024
- Micro Enterprises – 1 March 2025
Overview
 These pipes and fittings are widely used in drainage, sewerage, and industrial wastewater systems. Their performance impacts public health, infrastructure durability, and safety.
Objective & Scope
IS 1729:2002 specifies dimensional, mechanical, and performance requirements for CI/DI drainage pipes and fittings in socket-and-spigot design. It ensures durability, corrosion resistance, and standardized connections in non-pressure applications.
Products Covered
 All cast iron and ductile iron drainage pipes and fittings of the socket and spigot series, manufactured and sold in India.
Exemptions Provided
 Exemptions under the QCO include:
- Goods manufactured exclusively for export,
- Very-small Udyam-registered units with ≤ ₹25 lakh plant/machinery investment and ≤ ₹2 crore turnover (previous FY), supported by a Chartered Accountant’s certificate,
- Imports for R&D up to 200 kg/year, subject to scrapping after use and record-keeping.
Industries Impacted
- Foundries and DI pipe makers,
- Water supply and sewerage infrastructure EPC contractors,
- Municipalities and utilities,
- Civil engineering contractors and distributors.
Mandatory Compliance Requirements
 Products must carry the ISI Standard Mark under a valid BIS licence (Scheme-I of BIS Conformity Assessment Regulations, 2018). ISI marking must be embossed or applied on pipes, fittings, and packaging.
Next Steps for Stakeholders​
 Manufacturers must:
- Apply to BIS for certification,
- Conduct mandatory testing in BIS-recognized labs,
- Affix ISI marks before sale/distribution,
- Maintain exemption documentation where applicable,
- Update supply contracts to reflect BIS compliance.
Legal Provisions, Enforcement & Penalties
 The order is enforceable under the BIS Act, 2016.
Non-compliance may attract penalties including product seizure, fines, licence suspension, and imprisonment of up to 2 years.
Conclusion
From 1 September 2024 (with extended dates for MSMEs), all CI/DI drainage pipes and fittings must conform to IS 1729:2002 and carry a BIS licence with ISI marking. The 2024 QCO replaces the 2023 Order, establishing mandatory compliance for critical drainage infrastructure products.
Ready to start your certification journey?
Let us help you navigate regulatory challenges and achieve certification with ease. Leave us your details, and we’ll get back to you—or request a free consultation today.