Otladisa has impressed since coming through Stars' academy at the beginning of the season, having also reportedly attracted interest from Orlando Pirates.
According to a source close to Dikwena, Sundowns have made contact with the Phokeng-based side with a view to bringing the player to Chloorkop in the January transfer window.
"Both Sundowns and Pirates are interested," says the source.
"Sundowns have taken the step to make their interest known."
Downs coach Pitso Mosimane has confirmed he plans to beef up his squad in the new year.