According to the notice of the Bureau of Standards of India BIS on September 11, 2020, for the fourth mandatory list under the CRS program released on April 1, 2020, the authority has agreed to extend the mandatory implementation date of this list from October 1, 2020 to April 1, 2021.
The official announcement will be released soon.
The mandatory list released in April 2020 can be found here:

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