As no reliable sources could be found on Probashirdiganta, it's not possible to provide a biography or historical account of their life.

If you have any additional information or clarification on Probashirdiganta, I'd be happy to try and assist you further.

In the absence of concrete information, it's tempting to speculate that Probashirdiganta may be a fictional or mythical figure, or perhaps a name that holds significance in a specific cultural or regional context that is not widely known.

Despite extensive research, no concrete information could be found on a historical or legendary figure by the name of Probashirdiganta. The name does not appear to be associated with any notable events, people, or cultural movements.