On 1 April 2024, the Indian Telecommunication Engineering Center (TEC) issued a notice numbered 5-2/2021-TC/TEC/192 to postpone the mandatory implementation date of some products in Phase III and Phase IV to August 1, 2024, as follows:

• The mandatory date for cellular communication base stations and smart meters for Phase-III has been postponed to August 1, 2024, and the mandatory date for SIM, mobile radio trunking system, VHF/UHF wireless system equipment, PTP PMP microwave fixed wireless system, LAN switch, router, IP security equipment, and satellite communication equipment for Phase-IV has been postponed to August 1, 2024
• For cellular base stations, SIM, VHF/UHF wireless system equipment, and satellite communication equipment, TEC can accept reports issued by ILAC authorized laboratories in non-land bordering countries with India between March 31, 2024 and July 31, 2024.

Click this link to view the original TEC notice.