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REGD. No. D. L.-33004/99
The Gazette of India
CG-DL-E-10112025-267509
EXTRAORDINARY
PART III—Section 4
PUBLISHED BY AUTHORITY
No. 712]
NEW DELHI, THURSDAY, NOVEMBER 6, 2025/KARTIKA 15, 1947
BUREAU OF INDIAN STANDARDS
(Department of Consumer Affairs)
NOTIFICATION
New Delhi, the 30th October, 2025
Ref: HQ-PUB015/1/2020-PUB-BIS (1352).—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.
SCHUDLE
SI | No., Year & Title of the Indian Standard | No. and | Date of | Date till which
No. | | Month/Year of the | Establishment | the standard
| | Amendment | of the | without the
| | | Amendment | amendment as
| | | | mentioned in
| | | | column 3 shall
| | | | remain in force
| | | | (5)
----+---------------------------------------------------------------------------+-------------------+-------------------+-------------------
(1) | (2) | (3) | (4) |
----+---------------------------------------------------------------------------+-------------------+-------------------+-------------------
1 | IS 15959 (Part 1): 2011 | Amendment No. 6 | 22 October | 21 April 2026
| Data Exchange for Electricity Meter Reading, | October 2025 | 2025 |
| Tariff and Load Control – Companion | | |
| Specification | | |
| Part 1 Static Energy Meter | | |
----+---------------------------------------------------------------------------+-------------------+-------------------+-------------------
2 | IS 15959 (Part 2): 2016 | Amendment No. 3 | 22 October | 21 April 2026
| Data Exchange for Electricity Meter Reading, | October 2025 | 2025 |
| Tariff and Load Control – Companion | | |
| Specification | | |
| Part 2 Smart Meter | | |
----+---------------------------------------------------------------------------+-------------------+-------------------+-------------------
3 | IS 15959 (Part 3): 2017 | Amendment No. 1 | 22 October | 21 April 2026
| Data Exchange for Electricity Meter | October 2025 | 2025 |
| Reading, Tariff and Load Control | | |
| Companion Specification | | |
| Part 3 Smart Meter (Transformer Operated | | |
| kWh and kVARh, Class 0.2 S, 0.5 S and 1.0 S) | | |
----+---------------------------------------------------------------------------+-------------------+-------------------+-------------------
PRAVEEN KHANNA, Scientist G & DDG (P&C)
[ADVT.-III/4/Exty./446/2025-26]
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.
GORAKHA NATH
YADAVA
Digitally signed by GORAKHA NATH
YADAVA
Date: 2025.11.10 12:37:57 +05'30'