Full Text
REGD. No. D. L.-33004/99
The Gazette of India
CG-DL-E-27012026-269602
EXTRAORDINARY
PART III-Section 4
PUBLISHED BY AUTHORITY
No. 59]
NEW DELHI, TUESDAY, JANUARY 20, 2026/PAUSHA 30, 1947
447 GI/2026
BUREAU OF INDIAN STANDARDS
(Department of Consumer Affairs)
NOTIFICATION
New Delhi, the 19th January, 2026
Ref: HQ-PUB017/1/2020-PUB-BIS (1409). 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 the Indian standards, particulars of
which are given in schedule here to annexed have been cancelled and stands withdrawn from the date indicated against
it in the third column.
SCHEDULE
+-----+---------------------------------------------------------+------------------+
| SI. | No., Year & Title of the Indian Standard Withdrawn | Date of Withdrawal |
| No. | | |
| (1) | (2) | (3) |
+=====+=========================================================+==================+
| 1 | IS 5433-1969 | 16 January 2026 |
| | Specification for Oil Well Steel Casing Pipes and Couplings | |
+-----+---------------------------------------------------------+------------------+
| 2 | IS 6647-1972 | 16 January 2026 |
| | Specification for Drill Pipes for Use in Oil or Natural Gas Wells | |
+-----+---------------------------------------------------------+------------------+
| 3 | IS 9443-1980 | 16 January 2026 |
| | Guidelines for Marking Purity of Silver on Silver Articles/Ornaments | |
+-----+---------------------------------------------------------+------------------+
CHITRA GUPTA, Scientist G & DDG (Hallmarking and Training)
[ADVT.-III/4/Exty./634/2025-26]
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and Published by the Controller of Publications, Delhi-110054.