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 to Indian standards

REGD. No. D. L.-33004/99 The Gazette of India CG-DL-E-01062026-273044 EXTRAORDINARY PART III-Section 4 PUBLISHED BY AUTHORITY No. 349] | NEW DELHI, WEDNESDAY, MAY 27, 2026/JYAISTHA 6, 1948 BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs) NOTIFICATION New Delhi, the 25th May 2026 Ref: HQ-PUB015/1/2020-PUB-BIS (1542). — 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 to Indian standards, particulars of which are given in schedule hereto annexed have been established. SCHEDULE Sl. No. | No., Year & Title of the Indian Standard | No. and Month/Year of the Amendment | Date of Establishment of the Amendment | Date till which the standard without the amendment as mentioned in column 3 shall remain in force (1) | (2) | (3) | (4) | (5) 1 | IS 4992: 2024 | Amendment No. 1 | 21 May 2026 | 20 November 2026 Door Handles for Mortice Locks — Specification (Second Revision) 3780 GI/2026 (1) 2 | THE GAZETTE OF INDIA : EXTRAORDINARY | [PART III—SEC.4] Sl. No. | No., Year & Title of the Indian Standard | No. and Month/Year of the Amendment | Date of Establishment of the Amendment | Date till which the standard without the amendment as mentioned in column 3 shall remain in force (1) | (2) | (3) | (4) | (5) 1 | IS 4992: 2024 | Amendment No. 1 | 21 May 2026 | 20 November 2026 Door Handles for Mortice Locks — Specification (Second Revision) 2 | IS 17740: 2022 | Amendment No. 1 | 21 May 2026 | 20 November 2026 Isolated Towers, Masts and Poles Using Structural Steel — Code of Practice 3 | IS 17954 : 2023 | Amendment No. 3 | 21 May 2026 | 20 November 2026 Telescopic Ball Bearing Drawer Slides — Specification 4 | IS 18297 : 2023 | Amendment No. 2 | 21 May 2026 | 20 November 2026 Cabinet Hinges — Specification CHITRA GUPTA, Scientist G & DDG (Hallmarking and Training) [ADVT.-III/4/Exty./118/2026-27] [PART III – SECTION 4] 3 | IS 17954: 2023 | Amendment No. 3 | 21 May 2026 | 20 November 2026 Telescopic Ball Bearing Drawer Slides — Specification 4 | IS 18297: 2023 | Amendment No. 2 | 21 May 2026 | 20 November 2026 Cabinet Hinges — Specification CHITRA GUPTA, Scientist G & DDG (Hallmarking and Training) [ADVT.-III/4/Exty./118/2026-27] Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, New Delhi-110064 and Published by the Controller of Publications, Delhi-110054.