The Central Marks Department has released Amendment for both parts of IS 16046 (Part 1): 2018/ IEC 62133-1: 2017 and IS 16046 (Part 2): 2018/ IEC 62133-2: 2017 ( Secondary cells and batteries containing alkaline or other non-acid electrolytes – Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications ). The main change introduced by this amendment is to clarify on portable applications for secondary batteries (Part 1 and Part 2). There are no additional requirements to comply with existing applicants or licensees.