The Bureau of Indian Standards (BIS), under the Department of Consumer Affairs, has officially withdrawn eight Indian Standards, effective April 30, 2025. The decision was notified on May 16, 2025 .
This move impacts standards related to telegraph and telephone line components, electric actuators, high voltage fuses, telemetering devices, and photovoltaic modules.
📋 List of Withdrawn Indian Standards
| Sl. No. | IS No. & Year | Title of Indian Standard | Date of Withdrawal |
| 1 | IS 283:1976 | Specification for Porcelain Insulators for Telegraph and Telephone Lines (Third Revision) | 30 April 2025 |
| 2 | IS 1441:1989 | Insulator Stalks for Telegraph and Telephone Lines — Specification (Second Revision) | 30 April 2025 |
| 3 | IS 8935:1985 | Specification for Electric Solenoid Operated Actuators (First Revision) | 30 April 2025 |
| 4 | IS 9334:1986 | Specification for Electric Motor Operated Actuators (First Revision) | 30 April 2025 |
| 5 | IS 9385 (Part 5):1983 | High Voltage Fuses – Types and Dimensions of Fuse-Links for Current-Limiting Fuses | 30 April 2025 |
| 6 | IS 14451 (Part 1):1998 | Telemetering for Consumption and Demands – Part 1: Impulse Transmitting and Receiving Devices | 30 April 2025 |
| 7 | IS 14451 (Part 2):1999 | Telemetering for Consumption and Demands – Part 2: Direct Digital Transfer of Meter Values | 30 April 2025 |
| 8 | IS 16149:2014 / IEC 61345:1998 | UV Test for Photovoltaic (PV) Modules | 30 April 2025 |
🔍 Implications
The withdrawal of these standards signals BIS’s intent to align with updated technological and industry requirements, potentially paving the way for revised or new standards in these domains.
Stakeholders in telecommunications, power systems, automation, and renewable energy sectors are advised to take note of these changes and update their practices accordingly.
