There is no bollywood actress which I can say most versatile, but I can name some actress who have shown good versatility in their filmography.
First is tabu
A loving mother from hawa, who can do anything to protect her family
A bold character from chandni bar were he portrayed a character of prostiute
A comic character from hera pheri
A romantic character from hum sath sath hai
A negative character from andhadhoon
Next Priyanka chopra also shown good versatility in her filmography
Romantic character from muj se shadi karogi
A glamorous character from fashion
A historical character from bajiro mastaani
A mentally unstable character from barfi
Deepika, Vidayabalan are also some other actress who have shown good versatility in their filmography