On 24th January 2023, the Bureau of India Standards (BIS) notified the date of establishment and withdrawal of a few Indian standards particulars.
In the following particulars, the date of establishment is 16th January 2023
- IS 13502: 2023 Pig Iron — Specification (First Revision)
In the following particulars, the date of withdrawal is 16th July 2023
- IS 13502: 2023 Pig Iron — Specification (First Revision)