No legitimate service releases content as 480p MKV for manual download outside the Amazon app. Any site offering that is pirating and likely malicious.
If you meant a different "Srikanta" (maybe a documentary or fan edit), try searching:
The search query provided appears to be a request to download a specific episode of a television series from a piracy website. Below is a factual write-up regarding the content referenced and the legal implications of the search term.
: Offers the series for free with ads in Hindi.