If you are looking at this specific version of the series, here is what those technical tags represent:
The series likely includes the original Bengali audio plus a Hindi dubbed version. If you are looking at this specific version
Monami Ghosh’s portrayal of "Mou Boudi" became a viral sensation, marking a significant shift in her career toward more "bold" and unconventional roles. Technical Breakdown of the File Name If you are looking at this specific version
This means English Subtitles are hardcoded or muxed into the file. If you are looking at this specific version