The National Education Policy 2020 emphasized the need to standardize which of the following?

The 2020 policy stressed standardising Indian Sign Language across the country.

Indian tribal dialects were not the target of this standardisation call.

Endangered languages were addressed through documentation, not standardisation here.

Classical languages were promoted for preservation but not standardised in this sense.

A national curriculum and study materials for ISL were envisaged.

This supports inclusive learning for children with hearing impairment.