It looks like you're asking about the Byomkesh O Durgo Rahasya (possibly misspelled as "movielinkbd" — a known site for Bengali movie links — and "be better" meaning you want a better quality or better source for watching it).

For a superior, ad-free experience, consider these official platforms where the franchise is often hosted: : While this 2023 version is a film starring , the popular Byomkesh web series is available here. Amazon Prime Video / Disney+ Hotstar