The Bureau of Indian Standards (BIS) on May 14, 2024, issued the date of withdrawal of Indian standard particulars related to Miner’s Cap Lamp Assemblies.
In the following particulars, the date of Withdrawal is April 29, 2024-
•IS 5679 - 1986 Specification for Miner’s Cap Lamp Assemblies (Incorporating Lead-Acid Type Batteries) (First Revision)
•IS 10398 – 1982 Specification for Zener Barrier for Intrinsically Safe Process Control Instruments
[Notification No. HQ-PUB013/1/2020-PUB-BIS (880)]