In pursuance of Sub rule 1 of Rule 15 of the Bureau of Indian Standards Rules,

## Policy Analysis Report: Notification Regarding Indian Standards **1. Executive Summary:** This report analyzes a notification issued by the Bureau of Indian Standards (BIS), Department of Consumer Affairs, Government of India, regarding the establishment and withdrawal of several Indian Standards. The notification, dated June 3, 2025, pertains to updates and revisions of standards related to chemical analysis of bronzes and cast iron, silver plating, resistance to intergranular corrosion of stainless steels and wrought aluminium. The report details the specific standards being revised, their effective dates, and identifies stakeholders potentially impacted by these changes. The key finding is that this notification reflects ongoing efforts to update and maintain relevant industry standards, ensuring quality and consistency in manufacturing processes. **2. Introduction:** This report aims to provide a clear and concise overview of the notification issued by the Bureau of Indian Standards (BIS) on June 3, 2025, concerning the establishment and withdrawal of specific Indian Standards. The analysis is based solely on the provided text of the notification. **3. Policy Overview:** This notification represents an amendment and update to existing Indian Standards. * **Core Objective(s):** Based on the provided text, the core objective is to update and revise existing Indian Standards to reflect current best practices and technological advancements within the relevant industries. The notification clearly aims to maintain relevant standards, providing updated methodologies and specifications. **4. Background and Rationale:** This notification amends existing Indian Standards. The amendments are likely driven by the need to incorporate technological advancements, address identified gaps in existing standards, or align with evolving industry best practices. The frequency of revisions (First Revision, Second Revision) suggests a commitment to continuous improvement and adaptation of standards. The notification's simultaneous establishment of new standards alongside the withdrawal of older ones indicates a systematic update process. **5. Key Provisions / Changes:** This notification details specific amendments to existing Indian Standards. The most important aspect of the notification is the *simultaneous establishment of revised standards alongside the concurrent validity of the older standards, until the older standards are officially withdrawn*. The notification outlines the following specific changes: * **IS 4027 Part 1 (Methods for Chemical Analysis of Bronzes Part 1):** The 1987 version is being withdrawn and replaced with the 2025 version. This update seems to focus on "Determination of Copper and Lead by Electrolytic Method," indicating a revision in the methodology for this specific chemical analysis. The revised version uses "Second Revision", whereas the existing uses "First Revision". * **IS 4027 Part 4 (Methods for Chemical Analysis of Bronzes Part 4):** The 1987 version is being withdrawn and replaced with the 2025 version. This update focuses on "Determination of Nickel by Dimethylglyoxime Photometric Method," again suggesting a refinement of the analytical procedure. The revised version uses "Second Revision", whereas the existing uses "First Revision". * **IS 5925 (Recommended Practice for Silver Plating for General Engineering Purposes):** The 1970 version is being withdrawn and replaced with the 2025 version. This update reflects a modernization of practices related to silver plating. The revised version uses "First Revision". * **IS 10461 Part 1 (Resistance to InterGranular Corrosion of Austenitic Stainless Steels):** The 1994 version is being withdrawn and replaced with the 2025 version. This update relates to the method for determining resistance to intergranular corrosion. The revised version uses "Second Revision", whereas the existing uses "First Revision". * **IS 12308 Part 2 (Methods for Chemical Analysis of Cast Iron and Pig Iron):** The 1987 version is being withdrawn and replaced with the 2025 version. The change is related to "Determination of Sulphur by Iodimetric Titration after Combustion for Sulphur 0.005 to 0.25 Percent". The revised version uses "First Revision". * **IS 14712 (Wrought Aluminium and its Alloys Chequered Tread Sheets for General Engineering Purposes):** The 1999 version is being withdrawn and replaced with the 2025 version. The revised version uses "First Revision". **Effect of Changes:** The amendments introduce updated methodologies, specifications, and best practices. This will likely require industries to adapt their processes and testing procedures to comply with the new standards. **6. Target Audience and Stakeholders:** The target audience and stakeholders directly affected by these changes include: * Manufacturers of bronzes, cast iron, pig iron, austenitic stainless steels, and wrought aluminum. * Engineering firms involved in silver plating and the use of the materials mentioned above. * Laboratories and testing facilities that perform chemical analysis and corrosion resistance testing. * Quality control and assurance departments within relevant industries. * Organizations using chequered tread sheets. **7. Implementation Aspects (Inferred):** * **Responsible agency/bodies:** The Bureau of Indian Standards (BIS) is the responsible body for implementing and enforcing these standards. * **Timelines or procedures:** The notification specifies the date of establishment (May 19, 2025) and the date of withdrawal for the older standards (November 19, 2025). This provides a transition period for industries to adopt the updated standards. * Implementation likely involves updating internal processes, equipment, and training to align with the revised standards. Manufacturers need to adhere to the new testing methods and specifications to ensure compliance. **8. Expected Outcomes / Impact of Changes:** The intended outcomes of these changes are likely to include: * Improved accuracy and reliability of chemical analysis and testing procedures. * Enhanced quality and performance of materials and products. * Greater consistency and standardization across the industry. * Reduced risk of product failures and safety hazards. * Modernization of engineering practices. * Alignment with current technological advancements. **9. Conclusion:** The notification issued by the Bureau of Indian Standards represents a crucial update to several key industry standards. By replacing older standards with revised versions, the BIS aims to improve product quality, enhance safety, and promote greater consistency across various sectors. Stakeholders should carefully review the changes and take necessary steps to ensure compliance within the specified transition period. The frequent revisions of standards underscores the need for continuous monitoring and adaptation within the affected industries.

Key Entities Referenced