This is the most common home for the film. It is often included in the Prime subscription or available via the Eros Now channel add-on.
Some versions are available for free with ads, often including subtitles. Physical Media Options Bajirao Mastani English Subtitles
For those who prefer a permanent copy with the best possible visual quality, physical discs almost always include English subtitles as a standard feature. This is the most common home for the film