A massive advantage of the .MKV container is softcoded subtitles. The 2021 collection usually included:

Ironically, "MKVHubCom" also heavily featured South Indian films that were dubbed into Hindi for the first time in 2021:

To understand the hype, we need to go back to 2021. The world was still grappling with pandemic-related cinema delays. With theaters closed or operating at limited capacity, over-the-top (OTT) platforms boomed. However, not every movie or show was available in Hindi.

MKVHubCom emerged as a curated archive name associated with aggregating content specifically tailored for the Indian subcontinent. By 2021, the "Collection" was known for three specific pillars:

While the original hosting domain may have changed or become inactive, the nomenclature "mkvhubcom collection 2021 dual audio hindi new" is still used by torrent indexing sites and file-sharing forums to describe a specific quality standard.

The keyword "Dual Audio Hindi" highlights a critical demand in the South Asian market: localization.