In pursuance of Sub rule 1 of Rule 15 of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Amendments

## Report on Amendments to Indian Standards (March 19, 2025) **1. Executive Summary:** This report analyzes a notification published by the Bureau of Indian Standards (BIS) on March 19, 2025, regarding amendments to several Indian Standards. The document details Amendment Numbers to existing standards related to Submersible Pumpsets, Butterfly Valves, HVDC Converter Stations, and Handpump cum Solar Pumping Systems. The core purpose of these amendments appears to be to keep the standards up-to-date and aligned with current technological advancements or industry practices. Key findings indicate specific amendment numbers and validity periods for each standard. **2. Introduction:** This report aims to provide a comprehensive overview of the notification published by the Bureau of Indian Standards (BIS) on March 19, 2025, pertaining to amendments to various Indian Standards. The analysis is based solely on the information provided within the given document. **3. Policy Overview:** This notification concerns **amendments** to existing Indian Standards. * The referenced original policies are: * IS 8034 : 2018 (Submersible Pumpsets) * IS 13095 : 2020 (Butterfly Valves) * IS 17591 : 2021 (IEC TR 63127 : 2019 Guideline for the System Design of HVDC Converter Stations) * IS 17941 : 2022 (Handpump cum Solar Pumping System) * **Core Objective(s):** Based on the provided text, the core objective is to update and maintain the relevance of existing Indian Standards by incorporating amendments. This ensures that the standards remain current and reflect the latest industry best practices or technological advancements. **4. Background and Rationale:** The notification details amendments to existing standards. The likely reason for these specific amendments is to address evolving needs, technological advancements, or identified shortcomings in the original standards. The amendments ensure the standards remain relevant and effective. **5. Key Provisions / Changes:** This section focuses on the specific changes introduced by the amendment text: * **IS 8034 : 2018 (Submersible Pumpsets):** Amendment No. 3 is introduced. * The effective date of this amendment is February 25, 2025. * The standard without the amendment remains in force until August 24, 2025. * The effect is that after August 24, 2025, compliance with Amendment No. 3 is required for submersible pumpsets to meet the IS 8034:2018 standard. * **IS 13095 : 2020 (Butterfly Valves):** Amendment No. 2 is introduced. * The effective date of this amendment is February 25, 2025. * The standard without the amendment remains in force until August 24, 2025. * The effect is that after August 24, 2025, compliance with Amendment No. 2 is required for butterfly valves to meet the IS 13095:2020 standard. * **IS 17591 : 2021 (IEC TR 63127 : 2019 Guideline for the System Design of HVDC Converter Stations):** Amendment No. 1 is introduced. * The effective date of this amendment is February 25, 2025. * The standard without the amendment remains in force until August 24, 2025. * The effect is that after August 24, 2025, compliance with Amendment No. 1 is required for HVDC Converter Stations to meet the IS 17591:2021 standard. * **IS 17941 : 2022 (Handpump cum Solar Pumping System):** Amendment No. 2 is introduced. * The effective date of this amendment is February 25, 2025. * The standard without the amendment remains in force until August 24, 2025. * The effect is that after August 24, 2025, compliance with Amendment No. 2 is required for Handpump cum Solar Pumping Systems to meet the IS 17941:2022 standard. **6. Target Audience and Stakeholders:** Based on the provided text, the target audience and stakeholders directly affected by these amendments include: * Manufacturers and suppliers of submersible pumpsets, butterfly valves, HVDC converter stations, and handpump cum solar pumping systems. * Testing laboratories and certification bodies involved in assessing compliance with Indian Standards. * Procurement agencies and government departments utilizing these products. * Consumers who rely on the quality and performance of these products. **7. Implementation Aspects (Inferred):** * **Responsible agency:** The Bureau of Indian Standards (BIS) is the responsible body for establishing and notifying these amendments. * **Timelines:** The amendments are effective from February 25, 2025, with a transition period until August 24, 2025, during which the original standards without the amendments remain in force. After this date, compliance with the amendments is mandatory. **8. Expected Outcomes / Impact of Changes:** The likely intended outcome of these amendments is to improve the quality, safety, and performance of the products covered by the standards. This can lead to: * Enhanced product reliability and durability. * Increased consumer confidence in products conforming to the updated standards. * Improved efficiency and sustainability of the relevant systems. * Greater alignment with international best practices or regulatory requirements. **9. Conclusion:** The notification published by the Bureau of Indian Standards (BIS) on March 19, 2025, introduces amendments to several important Indian Standards related to various engineering systems. These amendments ensure that the standards remain current, relevant, and aligned with industry best practices. Manufacturers, suppliers, and other stakeholders must be aware of these changes and ensure compliance by the specified deadline of August 24, 2025, to maintain the validity of their products and certifications. The effective implementation of these amendments is crucial for maintaining the quality and reliability of these systems, ultimately benefiting consumers and promoting sustainable development.

Key Entities Referenced