The Kerala Chief Minister said that Malayalee nurses were a pride for Keralites, their services is praised world over.
Making such derogatory remarks about them is most unfortunate and not fit for a developed society," Chandy wrote.
Women's Congress all-India vice-president Bindu Krishna demanded that a criminal case be lodged against Vishwas for making "sexist comments" against Malayali nurses.
Eminent Malayalam writer and activist Sara Joseph, who last week joined AAP said: "Remarks of Vishwas are totally deplorable. I strongly protest. I expect that the AAP leadership will come out with a clarification on the issue."