The Bureau of Indian Standards (BIS) recently issued a notice stating that the mandatory implementation date of the new standard for uninterruptible power supply systems, IS 16242 (Part 1): 2025 /IEC 62040-1:2017 + AMD1:2021 + AMD2:2022 CSV, has been changed from the originally scheduled November 19, 2025. The implementation details for the update of other standards will remain unchanged until November 19, 2026.
For the implementation guidelines of the new standards, please refer to: Regulatory Updates - Implementation Guidelines for the New Standards of BIS in India

MCM Reminder
Although the mandatory implementation time of the new standards has been postponed, relevant enterprises still need to make preparations in advance to ensure that they meet the requirements of the standard update before November 19, 2026, and ensure a compliant transition.
MCM looks forward to further communication with you and realizing more possibilities together!