The Bureau of Indian Standards (BIS) on October 29, 2024, issued the date of establishment and withdrawal of certain Indian Standards (IS).
The following IS have been established on October 22, 2024 namely: -
• IS 4613 : 2024 Javelin — Specification (Second Revision)
• IS 5920 (Part 4) : 2024 ISO 10110-7 : 2017 Optics and Photonics — Preparation of Drawings for Optical Elements and Systems Part 4 Surface Imperfections
• IS 5920 (Part 8) : 2024 ISO 10110-12 : 2019 Optics and Photonics — Preparation of Drawings for Optical Elements and Systems Part 8 Aspheric Surfaces
• IS 18726 (Part 4) : 2024 ISO 14880-4 : 2006 Optics and Photonics — Microlens Arrays Part 4 Test Methods for Geometrical Properties
The following IS has been withdrawn on April 22, 2025 namely: -
• IS 4613 : 1993 Javelins — Specification (First Revision)
• IS 14820 (Part 1) : 2016 ISO 11146-1 : 2005 Lasers and Laser-Related Equipment — Test Methods for Laser Beam Widths, Divergence Angles and Beam Propagation Ratios Part 1 Stigmatic and Simple Astigmatic Beams (First Revision)
[Notification No. HQ-PUB013/1/2020-PUB-BIS (1068)]