Suhasini Ratnam in her heydays was a much appreciated actress for her capacity to don a variety of roles. However the actress had never found favor from her famous director-husband Mani Ratnam so far.
Mani Ratnam is known to be a perfectionist who takes meticulous care to get his cast spot on. Keeping this in mind one can probably come to an understanding as to which area of his wife's acting is liked by him. This will be revealed by the kind of role he assigns her in any of his movies.