After thorough verification across official film databases, production house records, and streaming platforms, here is the definitive answer.
For fans looking to revisit this 1997 gem or watch it for the first time, several platforms provide access to the full movie or segments: Sriman Bhootnath (1997) - Full cast & crew - IMDb bangla movie sriman bhootnath verified
Until the producers listen to the demand, you will have to rely on the grainy YouTube versions. But do not fall for websites claiming "Verified Official Download" – they are usually viruses. production house records