The Bureau of Indian Standards (BIS) on June 20, 2024, issued the Date of Establishment and Withdrawal for certain Indian Standards.
The following has been Established on June 06, 2024: -
• IS 3232 : 2024 Recommendations on Graphical Symbols for Process Flow Diagrams, Piping and Instrumentation Diagrams (Third Revision)
• IS 11620 : 2024 Fluid Bed Dryer — Code of Practice (First Revision)
• IS 18739 : 2024 Textiles — Bedsheets, Pillow Cover and Blanket Cover — Specification
• IS/IEC TR 63042-303 : 2021 UHV a.c. Transmission Systems Part 303 Measurement of UHV a.c. Transmission Line Power Frequency Parameter — Guidelines
The following has been Withdrawn on July 06, 2024: -
• IS 3232 : 1999 Recommendations on Graphical Symbols for Process Flow Diagrams, Piping and Instrumentation Diagrams (Second Revision)
• IS 11620 - 1986 Code of Practice for Fluid Bed Dryer
• IS 16753 (Part 5) : 2018 ISO 29463-5 : 2011 High-Efficiency Filters and Filter Media for Removing Particles in Air Part 5 Test Method for Filter Elements
[Notification No. HQ-PUB013/1/2020-PUB-BIS (898)